45043164 has 36 divisors (see below), whose sum is σ = 114247224. Its totient is φ = 14963232.

The previous prime is 45043157. The next prime is 45043169. The reversal of 45043164 is 46134054.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45043169) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9439 + ... + 13385.

It is an arithmetic number, because the mean of its divisors is an integer number (3173534).

Almost surely, 2^45043164 is an apocalyptic number.

It is an amenable number.

45043164 is an abundant number, since it is smaller than the sum of its proper divisors (69204060).

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

45043164 is a wasteful number, since it uses less digits than its factorization.

45043164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4274 (or 4269 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 45043164 is about 6711.4204159775. The cubic root of 45043164 is about 355.8030198417.

The spelling of 45043164 in words is "forty-five million, forty-three thousand, one hundred sixty-four".