45845136 has 40 divisors (see below), whose sum is σ = 131593760. Its totient is φ = 15281568.

The previous prime is 45845131. The next prime is 45845179. The reversal of 45845136 is 63154854.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 45845136.

It is not an unprimeable number, because it can be changed into a prime (45845131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52630 + ... + 53493.

It is an arithmetic number, because the mean of its divisors is an integer number (3289844).

Almost surely, 2^45845136 is an apocalyptic number.

It is an amenable number.

45845136 is an abundant number, since it is smaller than the sum of its proper divisors (85748624).

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

45845136 is a wasteful number, since it uses less digits than its factorization.

45845136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106140 (or 106128 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 45845136 is about 6770.9036324556. The cubic root of 45845136 is about 357.9022443578.

Subtracting from 45845136 its sum of digits (36), we obtain a triangular number (45845100 = T₉₅₇₅).

The spelling of 45845136 in words is "forty-five million, eight hundred forty-five thousand, one hundred thirty-six".