231453206146 has 16 divisors (see below), whose sum is σ = 356576528376. Its totient is φ = 112594599936.

The previous prime is 231453206137. The next prime is 231453206161. The reversal of 231453206146 is 641602354132.

It can be written as a sum of positive squares in 4 ways, for example, as 231163832025 + 289374121 = 480795^2 + 17011^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2916180 + ... + 2994496.

Almost surely, 2^231453206146 is an apocalyptic number.

231453206146 is a deficient number, since it is larger than the sum of its proper divisors (125123322230).

231453206146 is a wasteful number, since it uses less digits than its factorization.

231453206146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118293.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 231453206146 in words is "two hundred thirty-one billion, four hundred fifty-three million, two hundred six thousand, one hundred forty-six".