231645484 has 24 divisors (see below), whose sum is σ = 463776768. Its totient is φ = 99172560.

The previous prime is 231645481. The next prime is 231645499. The reversal of 231645484 is 484546132.

231645484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (231645481) 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, 26757 + ... + 34339.

It is an arithmetic number, because the mean of its divisors is an integer number (19324032).

Almost surely, 2^231645484 is an apocalyptic number.

It is an amenable number.

231645484 is an abundant number, since it is smaller than the sum of its proper divisors (232131284).

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

231645484 is a wasteful number, since it uses less digits than its factorization.

231645484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8685 (or 8683 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

The square root of 231645484 is about 15219.9042046920. The cubic root of 231645484 is about 614.1502212484.

The spelling of 231645484 in words is "two hundred thirty-one million, six hundred forty-five thousand, four hundred eighty-four".