45218808 has 48 divisors (see below), whose sum is σ = 123250920. Its totient is φ = 14976576.

The previous prime is 45218791. The next prime is 45218809. The reversal of 45218808 is 80881254.

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 (45218809) 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, 9810 + ... + 13662.

Almost surely, 2^45218808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45218808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61625460).

45218808 is an abundant number, since it is smaller than the sum of its proper divisors (78032112).

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

45218808 is a wasteful number, since it uses less digits than its factorization.

45218808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4028 (or 4021 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 45218808 is about 6724.4931407505. The cubic root of 45218808 is about 356.2648998385.

The spelling of 45218808 in words is "forty-five million, two hundred eighteen thousand, eight hundred eight".