45715666 has 16 divisors (see below), whose sum is σ = 69762168. Its totient is φ = 22464000.

The previous prime is 45715639. The next prime is 45715711. The reversal of 45715666 is 66651754.

It can be written as a sum of positive squares in 4 ways, for example, as 42185025 + 3530641 = 6495^2 + 1879^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75766 + ... + 76366.

Almost surely, 2^45715666 is an apocalyptic number.

45715666 is a deficient number, since it is larger than the sum of its proper divisors (24046502).

45715666 is a wasteful number, since it uses less digits than its factorization.

45715666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197.

The product of its digits is 151200, while the sum is 40.

The square root of 45715666 is about 6761.3361105628. The cubic root of 45715666 is about 357.5650127091.

The spelling of 45715666 in words is "forty-five million, seven hundred fifteen thousand, six hundred sixty-six".