157403912 has 16 divisors (see below), whose sum is σ = 299971500. Its totient is φ = 77411520.

The previous prime is 157403903. The next prime is 157403921. The reversal of 157403912 is 219304751.

It is an interprime number because it is at equal distance from previous prime (157403903) and next prime (157403921).

It can be written as a sum of positive squares in 2 ways, for example, as 96157636 + 61246276 = 9806^2 + 7826^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160787 + ... + 161762.

Almost surely, 2^157403912 is an apocalyptic number.

It is an amenable number.

157403912 is a deficient number, since it is larger than the sum of its proper divisors (142567588).

157403912 is a wasteful number, since it uses less digits than its factorization.

157403912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322616 (or 322612 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 157403912 is about 12546.0715763939. The cubic root of 157403912 is about 539.9313035611.

The spelling of 157403912 in words is "one hundred fifty-seven million, four hundred three thousand, nine hundred twelve".