45126666522 has 72 divisors (see below), whose sum is σ = 115295832756. Its totient is φ = 12716694144.

The previous prime is 45126666467. The next prime is 45126666581. The reversal of 45126666522 is 22566662154.

It can be written as a sum of positive squares in 2 ways, for example, as 45066619521 + 60047001 = 212289^2 + 7749^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 286053 + ... + 414824.

Almost surely, 2^45126666522 is an apocalyptic number.

45126666522 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

45126666522 is an abundant number, since it is smaller than the sum of its proper divisors (70169166234).

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

45126666522 is a wasteful number, since it uses less digits than its factorization.

45126666522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700972 (or 700962 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The spelling of 45126666522 in words is "forty-five billion, one hundred twenty-six million, six hundred sixty-six thousand, five hundred twenty-two".