45509137371 has 24 divisors (see below), whose sum is σ = 68207733360. Its totient is φ = 29204683200.

The previous prime is 45509137351. The next prime is 45509137397. The reversal of 45509137371 is 17373190554.

45509137371 is a `hidden beast` number, since 4 + 5 + 509 + 1 + 3 + 73 + 71 = 666.

It is not a de Polignac number, because 45509137371 - 2⁵ = 45509137339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45509137301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 177000 + ... + 349781.

It is an arithmetic number, because the mean of its divisors is an integer number (2841988890).

Almost surely, 2^45509137371 is an apocalyptic number.

45509137371 is a deficient number, since it is larger than the sum of its proper divisors (22698595989).

45509137371 is a wasteful number, since it uses less digits than its factorization.

45509137371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527147 (or 527144 counting only the distinct ones).

The product of its (nonzero) digits is 396900, while the sum is 45.

The spelling of 45509137371 in words is "forty-five billion, five hundred nine million, one hundred thirty-seven thousand, three hundred seventy-one".