232571142 has 32 divisors (see below), whose sum is σ = 517323360. Its totient is φ = 77448960.

The previous prime is 232571113. The next prime is 232571149. The reversal of 232571142 is 241175232.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232571149) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 106542 + ... + 108702.

It is an arithmetic number, because the mean of its divisors is an integer number (16166355).

Almost surely, 2^232571142 is an apocalyptic number.

232571142 is an abundant number, since it is smaller than the sum of its proper divisors (284752218).

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

232571142 is a wasteful number, since it uses less digits than its factorization.

232571142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4165 (or 4159 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 232571142 is about 15250.2833416301. The cubic root of 232571142 is about 614.9671844477.

The spelling of 232571142 in words is "two hundred thirty-two million, five hundred seventy-one thousand, one hundred forty-two".