157938332 has 24 divisors (see below), whose sum is σ = 291664800. Its totient is φ = 74683136.

The previous prime is 157938331. The next prime is 157938359. The reversal of 157938332 is 233839751.

It is a self number, because there is not a number n which added to its sum of digits gives 157938332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157938331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1457 + ... + 17832.

It is an arithmetic number, because the mean of its divisors is an integer number (12152700).

Almost surely, 2^157938332 is an apocalyptic number.

It is an amenable number.

157938332 is a deficient number, since it is larger than the sum of its proper divisors (133726468).

157938332 is a wasteful number, since it uses less digits than its factorization.

157938332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19405 (or 19403 counting only the distinct ones).

The product of its digits is 136080, while the sum is 41.

The square root of 157938332 is about 12567.3518292439. The cubic root of 157938332 is about 540.5416741146.

The spelling of 157938332 in words is "one hundred fifty-seven million, nine hundred thirty-eight thousand, three hundred thirty-two".