157985912 has 32 divisors (see below), whose sum is σ = 356361600. Its totient is φ = 64144224.

The previous prime is 157985909. The next prime is 157985959. The reversal of 157985912 is 219589751.

It is a happy number.

157985912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

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, 73178 + ... + 75305.

It is an arithmetic number, because the mean of its divisors is an integer number (11136300).

Almost surely, 2^157985912 is an apocalyptic number.

It is an amenable number.

157985912 is an abundant number, since it is smaller than the sum of its proper divisors (198375688).

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

157985912 is a wasteful number, since it uses less digits than its factorization.

157985912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148515 (or 148511 counting only the distinct ones).

The product of its digits is 226800, while the sum is 47.

The square root of 157985912 is about 12569.2446869333. The cubic root of 157985912 is about 540.5959492871.

The spelling of 157985912 in words is "one hundred fifty-seven million, nine hundred eighty-five thousand, nine hundred twelve".