157923408 has 40 divisors (see below), whose sum is σ = 410106688. Its totient is φ = 52365312.

The previous prime is 157923397. The next prime is 157923413. The reversal of 157923408 is 804329751.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 741 + ... + 17787.

Almost surely, 2^157923408 is an apocalyptic number.

It is an amenable number.

157923408 is an abundant number, since it is smaller than the sum of its proper divisors (252183280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157923408 is a wasteful number, since it uses less digits than its factorization.

157923408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17251 (or 17245 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 157923408 is about 12566.7580544864. The cubic root of 157923408 is about 540.5246478531.

The spelling of 157923408 in words is "one hundred fifty-seven million, nine hundred twenty-three thousand, four hundred eight".