157239922 has 24 divisors (see below), whose sum is σ = 274869504. Its totient is φ = 67265352.

The previous prime is 157239913. The next prime is 157239947. The reversal of 157239922 is 229932751.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70143 + ... + 72349.

It is an arithmetic number, because the mean of its divisors is an integer number (11452896).

Almost surely, 2^157239922 is an apocalyptic number.

157239922 is a deficient number, since it is larger than the sum of its proper divisors (117629582).

157239922 is a wasteful number, since it uses less digits than its factorization.

157239922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2950 (or 2943 counting only the distinct ones).

The product of its digits is 68040, while the sum is 40.

The square root of 157239922 is about 12539.5343613708. The cubic root of 157239922 is about 539.7437307099.

The spelling of 157239922 in words is "one hundred fifty-seven million, two hundred thirty-nine thousand, nine hundred twenty-two".