45172190361 has 48 divisors (see below), whose sum is σ = 63128680128. Its totient is φ = 28728161280.

The previous prime is 45172190347. The next prime is 45172190363. The reversal of 45172190361 is 16309127154.

It is not a de Polignac number, because 45172190361 - 2²² = 45167996057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45172190363) 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 47 ways as a sum of consecutive naturals, for example, 101968606 + ... + 101969048.

It is an arithmetic number, because the mean of its divisors is an integer number (1315180836).

Almost surely, 2^45172190361 is an apocalyptic number.

It is an amenable number.

45172190361 is a deficient number, since it is larger than the sum of its proper divisors (17956489767).

45172190361 is a wasteful number, since it uses less digits than its factorization.

45172190361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934 (or 903 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The spelling of 45172190361 in words is "forty-five billion, one hundred seventy-two million, one hundred ninety thousand, three hundred sixty-one".