231645652 has 24 divisors (see below), whose sum is σ = 463720320. Its totient is φ = 99184800.

The previous prime is 231645647. The next prime is 231645653. The reversal of 231645652 is 256546132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231645653) 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, 33249 + ... + 39607.

It is an arithmetic number, because the mean of its divisors is an integer number (19321680).

Almost surely, 2^231645652 is an apocalyptic number.

It is an amenable number.

231645652 is an abundant number, since it is smaller than the sum of its proper divisors (232074668).

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

231645652 is a wasteful number, since it uses less digits than its factorization.

231645652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7671 (or 7669 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The square root of 231645652 is about 15219.9097237796. The cubic root of 231645652 is about 614.1503697184.

The spelling of 231645652 in words is "two hundred thirty-one million, six hundred forty-five thousand, six hundred fifty-two".