157985932 has 36 divisors (see below), whose sum is σ = 302418480. Its totient is φ = 72176832.

The previous prime is 157985909. The next prime is 157985959. The reversal of 157985932 is 239589751.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68494 + ... + 70762.

Almost surely, 2^157985932 is an apocalyptic number.

It is an amenable number.

157985932 is a deficient number, since it is larger than the sum of its proper divisors (144432548).

157985932 is a wasteful number, since it uses less digits than its factorization.

157985932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2402 (or 2387 counting only the distinct ones).

The product of its digits is 680400, while the sum is 49.

The square root of 157985932 is about 12569.2454825260. The cubic root of 157985932 is about 540.5959720991.

The spelling of 157985932 in words is "one hundred fifty-seven million, nine hundred eighty-five thousand, nine hundred thirty-two".