157715372 has 12 divisors (see below), whose sum is σ = 276159576. Its totient is φ = 78812640.

The previous prime is 157715323. The next prime is 157715381. The reversal of 157715372 is 273517751.

157715372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2654 + ... + 17957.

It is an arithmetic number, because the mean of its divisors is an integer number (23013298).

Almost surely, 2^157715372 is an apocalyptic number.

It is an amenable number.

157715372 is a deficient number, since it is larger than the sum of its proper divisors (118444204).

157715372 is a wasteful number, since it uses less digits than its factorization.

157715372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22528 (or 22526 counting only the distinct ones).

The product of its digits is 51450, while the sum is 38.

The square root of 157715372 is about 12558.4780925079. The cubic root of 157715372 is about 540.2871951954.

The spelling of 157715372 in words is "one hundred fifty-seven million, seven hundred fifteen thousand, three hundred seventy-two".