45686666 has 8 divisors (see below), whose sum is σ = 68774724. Its totient is φ = 22761760.

The previous prime is 45686639. The next prime is 45686681. The reversal of 45686666 is 66668654.

It can be written as a sum of positive squares in 2 ways, for example, as 45225625 + 461041 = 6725^2 + 679^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

45686666 is a modest number, since divided by 6666 gives 4568 as remainder.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 45686666.

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, 40085 + ... + 41208.

Almost surely, 2^45686666 is an apocalyptic number.

45686666 is a deficient number, since it is larger than the sum of its proper divisors (23088058).

45686666 is a wasteful number, since it uses less digits than its factorization.

45686666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81576.

The product of its digits is 1244160, while the sum is 47.

The square root of 45686666 is about 6759.1912238078. The cubic root of 45686666 is about 357.4893888972.

The spelling of 45686666 in words is "forty-five million, six hundred eighty-six thousand, six hundred sixty-six".