231146548 has 12 divisors (see below), whose sum is σ = 415439332. Its totient is φ = 112449600.

The previous prime is 231146521. The next prime is 231146549. The reversal of 231146548 is 845641132.

It can be written as a sum of positive squares in 2 ways, for example, as 187744804 + 43401744 = 13702^2 + 6588^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231146549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 780753 + ... + 781048.

Almost surely, 2^231146548 is an apocalyptic number.

It is an amenable number.

231146548 is a deficient number, since it is larger than the sum of its proper divisors (184292784).

231146548 is a wasteful number, since it uses less digits than its factorization.

231146548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561842 (or 1561840 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 231146548 is about 15203.5044644319. The cubic root of 231146548 is about 613.7089695112.

The spelling of 231146548 in words is "two hundred thirty-one million, one hundred forty-six thousand, five hundred forty-eight".