45645245666 has 16 divisors (see below), whose sum is σ = 68922705600. Its totient is φ = 22671152208.

The previous prime is 45645245647. The next prime is 45645245683. The reversal of 45645245666 is 66654254654.

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, 630380 + ... + 699048.

It is an arithmetic number, because the mean of its divisors is an integer number (4307669100).

Almost surely, 2^45645245666 is an apocalyptic number.

45645245666 is a deficient number, since it is larger than the sum of its proper divisors (23277459934).

45645245666 is a wasteful number, since it uses less digits than its factorization.

45645245666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70873.

The product of its digits is 20736000, while the sum is 53.

The spelling of 45645245666 in words is "forty-five billion, six hundred forty-five million, two hundred forty-five thousand, six hundred sixty-six".