45574391668 has 12 divisors (see below), whose sum is σ = 85890199780. Its totient is φ = 21034334592.

The previous prime is 45574391659. The next prime is 45574391669. The reversal of 45574391668 is 86619347554.

It can be written as a sum of positive squares in 2 ways, for example, as 24942516624 + 20631875044 = 157932^2 + 143638^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45574391669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438215253 + ... + 438215356.

Almost surely, 2^45574391668 is an apocalyptic number.

It is an amenable number.

45574391668 is a deficient number, since it is larger than the sum of its proper divisors (40315808112).

45574391668 is a wasteful number, since it uses less digits than its factorization.

45574391668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876430626 (or 876430624 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 58.

The spelling of 45574391668 in words is "forty-five billion, five hundred seventy-four million, three hundred ninety-one thousand, six hundred sixty-eight".