45015156666 has 12 divisors (see below), whose sum is σ = 97532839482. Its totient is φ = 15005052216.

The previous prime is 45015156623. The next prime is 45015156673. The reversal of 45015156666 is 66665151054.

It can be written as a sum of positive squares in only one way, i.e., 35658657225 + 9356499441 = 188835^2 + 96729^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1250421001 + ... + 1250421036.

Almost surely, 2^45015156666 is an apocalyptic number.

45015156666 is an abundant number, since it is smaller than the sum of its proper divisors (52517682816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45015156666 is a wasteful number, since it uses less digits than its factorization.

45015156666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500842045 (or 2500842042 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 45015156666 in words is "forty-five billion, fifteen million, one hundred fifty-six thousand, six hundred sixty-six".