45640986 has 16 divisors (see below), whose sum is σ = 92438400. Its totient is φ = 15020928.

The previous prime is 45640979. The next prime is 45640997. The reversal of 45640986 is 68904654.

45640986 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47671 + ... + 48618.

It is an arithmetic number, because the mean of its divisors is an integer number (5777400).

Almost surely, 2^45640986 is an apocalyptic number.

45640986 is an abundant number, since it is smaller than the sum of its proper divisors (46797414).

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

45640986 is a wasteful number, since it uses less digits than its factorization.

45640986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96373.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 45640986 is about 6755.8112762273. The cubic root of 45640986 is about 357.3702034228.

The spelling of 45640986 in words is "forty-five million, six hundred forty thousand, nine hundred eighty-six".