45252565666 has 48 divisors (see below), whose sum is σ = 86227666560. Its totient is φ = 17432712000.

The previous prime is 45252565637. The next prime is 45252565669. The reversal of 45252565666 is 66656525254.

It is not an unprimeable number, because it can be changed into a prime (45252565669) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 691 + ... + 300841.

It is an arithmetic number, because the mean of its divisors is an integer number (1796409720).

Almost surely, 2^45252565666 is an apocalyptic number.

45252565666 is a deficient number, since it is larger than the sum of its proper divisors (40975100894).

45252565666 is a wasteful number, since it uses less digits than its factorization.

45252565666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300271 (or 300260 counting only the distinct ones).

The product of its digits is 12960000, while the sum is 52.

The spelling of 45252565666 in words is "forty-five billion, two hundred fifty-two million, five hundred sixty-five thousand, six hundred sixty-six".