157403655 has 20 divisors (see below), whose sum is σ = 282161352. Its totient is φ = 83948400.

The previous prime is 157403639. The next prime is 157403683. The reversal of 157403655 is 556304751.

157403655 is a `hidden beast` number, since 1 + 574 + 0 + 36 + 55 = 666.

It is not a de Polignac number, because 157403655 - 2⁴ = 157403639 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 193921 + ... + 194730.

Almost surely, 2^157403655 is an apocalyptic number.

157403655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

157403655 is a deficient number, since it is larger than the sum of its proper divisors (124757697).

157403655 is an equidigital number, since it uses as much as digits as its factorization.

157403655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388668 (or 388659 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 157403655 is about 12546.0613341399. The cubic root of 157403655 is about 539.9310097047.

The spelling of 157403655 in words is "one hundred fifty-seven million, four hundred three thousand, six hundred fifty-five".