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143142363 = 337131723149
BaseRepresentation
bin10001000100000…
…10110111011011
3100222100101102000
420202002313123
5243121023423
622112012043
73355455450
oct1042026733
9328311360
10143142363
1173888a81
123bb31023
132386a730
1415021827
15c877843
hex8882ddb

143142363 has 128 divisors (see below), whose sum is σ = 290304000. Its totient is φ = 67516416.

The previous prime is 143142361. The next prime is 143142383. The reversal of 143142363 is 363241341.

It is not a de Polignac number, because 143142363 - 21 = 143142361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (143142361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 960613 + ... + 960761.

It is an arithmetic number, because the mean of its divisors is an integer number (2268000).

Almost surely, 2143142363 is an apocalyptic number.

143142363 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

143142363 is an abundant number, since it is smaller than the sum of its proper divisors (147161637).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143142363 is a wasteful number, since it uses less digits than its factorization.

143142363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 212 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 143142363 is about 11964.2117584068. The cubic root of 143142363 is about 523.1056298631.

The spelling of 143142363 in words is "one hundred forty-three million, one hundred forty-two thousand, three hundred sixty-three".

Divisors: 1 3 7 9 13 17 21 23 27 39 51 63 69 91 117 119 149 153 161 189 207 221 273 299 351 357 391 447 459 483 621 663 819 897 1043 1071 1173 1341 1449 1547 1937 1989 2093 2457 2533 2691 2737 3129 3213 3427 3519 4023 4347 4641 5083 5811 5967 6279 7599 8073 8211 9387 10281 10557 13559 13923 15249 17433 17731 18837 22797 23989 24633 28161 30843 32929 35581 40677 41769 44551 45747 52299 53193 56511 58259 68391 71967 73899 92529 98787 106743 122031 133653 137241 159579 174777 215901 230503 296361 311857 320229 366093 400959 407813 478737 524331 647703 691509 757367 889083 935571 960687 1202877 1223439 1572993 2074527 2272101 2806713 3670317 5301569 6223581 6816303 8420139 11010951 15904707 20448909 47714121 143142363