45727164 has 36 divisors (see below), whose sum is σ = 132101424. Its totient is φ = 13064832.

The previous prime is 45727163. The next prime is 45727169. The reversal of 45727164 is 46172754.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45727163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90477 + ... + 90980.

It is an arithmetic number, because the mean of its divisors is an integer number (3669484).

Almost surely, 2^45727164 is an apocalyptic number.

It is an amenable number.

45727164 is an abundant number, since it is smaller than the sum of its proper divisors (86374260).

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

45727164 is a wasteful number, since it uses less digits than its factorization.

45727164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181474 (or 181469 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 45727164 is about 6762.1863328364. The cubic root of 45727164 is about 357.5949873928.

The spelling of 45727164 in words is "forty-five million, seven hundred twenty-seven thousand, one hundred sixty-four".