45666885 has 32 divisors (see below), whose sum is σ = 81077760. Its totient is φ = 21761600.

The previous prime is 45666883. The next prime is 45666889. The reversal of 45666885 is 58866654.

It is a happy number.

It is not a de Polignac number, because 45666885 - 2¹ = 45666883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45666883) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7390 + ... + 12080.

It is an arithmetic number, because the mean of its divisors is an integer number (2533680).

Almost surely, 2^45666885 is an apocalyptic number.

It is an amenable number.

45666885 is a deficient number, since it is larger than the sum of its proper divisors (35410875).

45666885 is a wasteful number, since it uses less digits than its factorization.

45666885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4769.

The product of its digits is 1382400, while the sum is 48.

The square root of 45666885 is about 6757.7277986021. The cubic root of 45666885 is about 357.4377872736.

The spelling of 45666885 in words is "forty-five million, six hundred sixty-six thousand, eight hundred eighty-five".