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144738495 = 3451153613
BaseRepresentation
bin10001010000010…
…00100010111111
3101002100110220000
420220020202333
5244023112440
622210125343
73405154056
oct1050104277
9332313800
10144738495
11747791a0
1240580853
1323ca90a5
141531939d
15ca90730
hex8a088bf

144738495 has 80 divisors (see below), whose sum is σ = 288855072. Its totient is φ = 68739840.

The previous prime is 144738491. The next prime is 144738497. The reversal of 144738495 is 594837441.

144738495 is a `hidden beast` number, since 14 + 473 + 84 + 95 = 666.

It is not a de Polignac number, because 144738495 - 22 = 144738491 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 144738495.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144738491) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 235809 + ... + 236421.

Almost surely, 2144738495 is an apocalyptic number.

144738495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

144738495 is a deficient number, since it is larger than the sum of its proper divisors (144116577).

144738495 is a wasteful number, since it uses less digits than its factorization.

144738495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694 (or 685 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 144738495 is about 12030.7312745319. The cubic root of 144738495 is about 525.0427720255.

The spelling of 144738495 in words is "one hundred forty-four million, seven hundred thirty-eight thousand, four hundred ninety-five".

Divisors: 1 3 5 9 11 15 27 33 45 53 55 81 99 135 159 165 265 297 405 477 495 583 613 795 891 1431 1485 1749 1839 2385 2915 3065 4293 4455 5247 5517 6743 7155 8745 9195 15741 16551 20229 21465 26235 27585 32489 33715 47223 49653 60687 78705 82755 97467 101145 162445 182061 236115 248265 292401 303435 357379 487335 546183 877203 910305 1072137 1462005 1786895 2631609 2730915 3216411 4386015 5360685 9649233 13158045 16082055 28947699 48246165 144738495