45489186 has 24 divisors (see below), whose sum is σ = 98779824. Its totient is φ = 15129240.

The previous prime is 45489149. The next prime is 45489233. The reversal of 45489186 is 68198454.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6265 + ... + 11411.

It is an arithmetic number, because the mean of its divisors is an integer number (4115826).

Almost surely, 2^45489186 is an apocalyptic number.

45489186 is an abundant number, since it is smaller than the sum of its proper divisors (53290638).

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

45489186 is a wasteful number, since it uses less digits than its factorization.

45489186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5646 (or 5643 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 45489186 is about 6744.5671469710. The cubic root of 45489186 is about 356.9735639394.

The spelling of 45489186 in words is "forty-five million, four hundred eighty-nine thousand, one hundred eighty-six".