45666644 has 12 divisors (see below), whose sum is σ = 79968000. Its totient is φ = 22818648.

The previous prime is 45666631. The next prime is 45666653. The reversal of 45666644 is 44666654.

45666644 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×45666644³ (a number of 24 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

45666644 is strictly pandigital in base 9.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6407 + ... + 11505.

It is an arithmetic number, because the mean of its divisors is an integer number (6664000).

Almost surely, 2^45666644 is an apocalyptic number.

It is an amenable number.

45666644 is a deficient number, since it is larger than the sum of its proper divisors (34301356).

45666644 is a wasteful number, since it uses less digits than its factorization.

45666644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7342 (or 7340 counting only the distinct ones).

The product of its digits is 414720, while the sum is 41.

The square root of 45666644 is about 6757.7099671412. The cubic root of 45666644 is about 357.4371584981.

The spelling of 45666644 in words is "forty-five million, six hundred sixty-six thousand, six hundred forty-four".