230165145 has 80 divisors (see below), whose sum is σ = 496467840. Its totient is φ = 99657216.

The previous prime is 230165137. The next prime is 230165149. The reversal of 230165145 is 541561032.

230165145 is a `hidden beast` number, since 2 + 3 + 0 + 1 + 651 + 4 + 5 = 666.

It is not a de Polignac number, because 230165145 - 2³ = 230165137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (230165149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 51729 + ... + 56001.

It is an arithmetic number, because the mean of its divisors is an integer number (6205848).

Almost surely, 2^230165145 is an apocalyptic number.

It is an amenable number.

230165145 is an abundant number, since it is smaller than the sum of its proper divisors (266302695).

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

230165145 is a wasteful number, since it uses less digits than its factorization.

230165145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4316 (or 4307 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 230165145 is about 15171.1945805200. The cubic root of 230165145 is about 612.8391746337.

The spelling of 230165145 in words is "two hundred thirty million, one hundred sixty-five thousand, one hundred forty-five".