157923712 has 16 divisors (see below), whose sum is σ = 314613900. Its totient is φ = 78961792.

The previous prime is 157923697. The next prime is 157923721. The reversal of 157923712 is 217329751.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616762 + ... + 617017.

Almost surely, 2^157923712 is an apocalyptic number.

It is an amenable number.

157923712 is a deficient number, since it is larger than the sum of its proper divisors (156690188).

157923712 is an equidigital number, since it uses as much as digits as its factorization.

157923712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233793 (or 1233781 counting only the distinct ones).

The product of its digits is 26460, while the sum is 37.

The square root of 157923712 is about 12566.7701498834. The cubic root of 157923712 is about 540.5249946866.

The spelling of 157923712 in words is "one hundred fifty-seven million, nine hundred twenty-three thousand, seven hundred twelve".