45321565172 has 12 divisors (see below), whose sum is σ = 85413719076. Its totient is φ = 20917645440.

The previous prime is 45321565171. The next prime is 45321565181. The reversal of 45321565172 is 27156512354.

It can be written as a sum of positive squares in 2 ways, for example, as 15793954276 + 29527610896 = 125674^2 + 171836^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45321565171) 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, 435784229 + ... + 435784332.

It is an arithmetic number, because the mean of its divisors is an integer number (7117809923).

Almost surely, 2^45321565172 is an apocalyptic number.

It is an amenable number.

45321565172 is a deficient number, since it is larger than the sum of its proper divisors (40092153904).

45321565172 is a wasteful number, since it uses less digits than its factorization.

45321565172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871568578 (or 871568576 counting only the distinct ones).

The product of its digits is 252000, while the sum is 41.

The spelling of 45321565172 in words is "forty-five billion, three hundred twenty-one million, five hundred sixty-five thousand, one hundred seventy-two".