231460145 has 16 divisors (see below), whose sum is σ = 317694720. Its totient is φ = 158583744.

The previous prime is 231460121. The next prime is 231460157. The reversal of 231460145 is 541064132.

It is a cyclic number.

It is not a de Polignac number, because 231460145 - 2²⁶ = 164351281 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60551 + ... + 64259.

It is an arithmetic number, because the mean of its divisors is an integer number (19855920).

Almost surely, 2^231460145 is an apocalyptic number.

It is an amenable number.

231460145 is a deficient number, since it is larger than the sum of its proper divisors (86234575).

231460145 is a wasteful number, since it uses less digits than its factorization.

231460145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5504.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 231460145 is about 15213.8142817638. The cubic root of 231460145 is about 613.9863841690.

The spelling of 231460145 in words is "two hundred thirty-one million, four hundred sixty thousand, one hundred forty-five".