231455460 has 48 divisors (see below), whose sum is σ = 655897536. Its totient is φ = 60976512.

The previous prime is 231455449. The next prime is 231455501. The reversal of 231455460 is 64554132.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18259 + ... + 28218.

It is an arithmetic number, because the mean of its divisors is an integer number (13664532).

Almost surely, 2^231455460 is an apocalyptic number.

231455460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231455460 is an abundant number, since it is smaller than the sum of its proper divisors (424442076).

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

231455460 is a wasteful number, since it uses less digits than its factorization.

231455460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46572 (or 46570 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 231455460 is about 15213.6603090775. The cubic root of 231455460 is about 613.9822415615.

The spelling of 231455460 in words is "two hundred thirty-one million, four hundred fifty-five thousand, four hundred sixty".