43158164 has 12 divisors (see below), whose sum is σ = 86316384. Its totient is φ = 18496344.

The previous prime is 43158163. The next prime is 43158187. The reversal of 43158164 is 46185134.

43158164 is an admirable number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 43158164.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43158161) 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, 770654 + ... + 770709.

It is an arithmetic number, because the mean of its divisors is an integer number (7193032).

Almost surely, 2^43158164 is an apocalyptic number.

It is an amenable number.

43158164 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

43158164 is a wasteful number, since it uses less digits than its factorization.

43158164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1541374 (or 1541372 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 43158164 is about 6569.4873468179. The cubic root of 43158164 is about 350.7688242186.

The spelling of 43158164 in words is "forty-three million, one hundred fifty-eight thousand, one hundred sixty-four".