45186904 has 32 divisors (see below), whose sum is σ = 101041920. Its totient is φ = 18523296.

The previous prime is 45186887. The next prime is 45186913. The reversal of 45186904 is 40968154.

It is a happy number.

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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16254 + ... + 18829.

It is an arithmetic number, because the mean of its divisors is an integer number (3157560).

Almost surely, 2^45186904 is an apocalyptic number.

It is an amenable number.

45186904 is an abundant number, since it is smaller than the sum of its proper divisors (55855016).

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

45186904 is a wasteful number, since it uses less digits than its factorization.

45186904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35119 (or 35115 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 45186904 is about 6722.1204987712. The cubic root of 45186904 is about 356.1810929002.

The spelling of 45186904 in words is "forty-five million, one hundred eighty-six thousand, nine hundred four".