45918208 has 48 divisors (see below), whose sum is σ = 104963040. Its totient is φ = 19673088.

The previous prime is 45918199. The next prime is 45918209. The reversal of 45918208 is 80281954.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (45918209) 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, 12735 + ... + 15937.

It is an arithmetic number, because the mean of its divisors is an integer number (2186730).

Almost surely, 2^45918208 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 45918208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52481520).

45918208 is an abundant number, since it is smaller than the sum of its proper divisors (59044832).

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

45918208 is an equidigital number, since it uses as much as digits as its factorization.

45918208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3232 (or 3212 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 45918208 is about 6776.2975141297. The cubic root of 45918208 is about 358.0922954194.

The spelling of 45918208 in words is "forty-five million, nine hundred eighteen thousand, two hundred eight".