45668646 has 12 divisors (see below), whose sum is σ = 98948772. Its totient is φ = 15222876.

The previous prime is 45668641. The next prime is 45668657. The reversal of 45668646 is 64686654.

45668646 is a `hidden beast` number, since 4 + 566 + 86 + 4 + 6 = 666.

45668646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45668641) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1268556 + ... + 1268591.

It is an arithmetic number, because the mean of its divisors is an integer number (8245731).

Almost surely, 2^45668646 is an apocalyptic number.

45668646 is an abundant number, since it is smaller than the sum of its proper divisors (53280126).

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

45668646 is a wasteful number, since it uses less digits than its factorization.

45668646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2537155 (or 2537152 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The square root of 45668646 is about 6757.8580926208. The cubic root of 45668646 is about 357.4423817031.

The spelling of 45668646 in words is "forty-five million, six hundred sixty-eight thousand, six hundred forty-six".