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145031352 = 23317373953
BaseRepresentation
bin10001010010100…
…00000010111000
3101002220100121120
420221100002320
5244112000402
622220305240
73410513634
oct1051200270
9332810546
10145031352
1174959224
12406a2220
132407c48b
1415393dc4
15caec3bc
hex8a500b8

145031352 has 64 divisors (see below), whose sum is σ = 385339680. Its totient is φ = 45330432.

The previous prime is 145031347. The next prime is 145031377. The reversal of 145031352 is 253130541.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151708 + ... + 152660.

Almost surely, 2145031352 is an apocalyptic number.

145031352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145031352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192669840).

145031352 is an abundant number, since it is smaller than the sum of its proper divisors (240308328).

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

145031352 is a wasteful number, since it uses less digits than its factorization.

145031352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352 (or 1348 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 145031352 is about 12042.8963293719. The cubic root of 145031352 is about 525.3966490004.

Adding to 145031352 its reverse (253130541), we get a palindrome (398161893).

The spelling of 145031352 in words is "one hundred forty-five million, thirty-one thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 373 408 746 953 1119 1492 1906 2238 2859 2984 3812 4476 5718 6341 7624 8952 11436 12682 16201 19023 22872 25364 32402 38046 48603 50728 64804 76092 97206 129608 152184 194412 355469 388824 710938 1066407 1421876 2132814 2843752 4265628 6042973 8531256 12085946 18128919 24171892 36257838 48343784 72515676 145031352