232155992 has 16 divisors (see below), whose sum is σ = 435769200. Its totient is φ = 115950880.

The previous prime is 232155949. The next prime is 232156021. The reversal of 232155992 is 299551232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7892 + ... + 22947.

It is an arithmetic number, because the mean of its divisors is an integer number (27235575).

Almost surely, 2^232155992 is an apocalyptic number.

It is an amenable number.

232155992 is a deficient number, since it is larger than the sum of its proper divisors (203613208).

232155992 is a wasteful number, since it uses less digits than its factorization.

232155992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31786 (or 31782 counting only the distinct ones).

The product of its digits is 48600, while the sum is 38.

The square root of 232155992 is about 15236.6660395245. Note that the first 3 decimals coincide. The cubic root of 232155992 is about 614.6010517671.

The spelling of 232155992 in words is "two hundred thirty-two million, one hundred fifty-five thousand, nine hundred ninety-two".