45109808794 has 4 divisors (see below), whose sum is σ = 67664713194. Its totient is φ = 22554904396.

The previous prime is 45109808773. The next prime is 45109808831. The reversal of 45109808794 is 49780890154.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 38771579025 + 6338229769 = 196905^2 + 79613^2 .

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 as a sum of consecutive naturals, namely, 11277452197 + ... + 11277452200.

Almost surely, 2^45109808794 is an apocalyptic number.

45109808794 is a deficient number, since it is larger than the sum of its proper divisors (22554904400).

45109808794 is a wasteful number, since it uses less digits than its factorization.

45109808794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22554904399.

The product of its (nonzero) digits is 2903040, while the sum is 55.

The spelling of 45109808794 in words is "forty-five billion, one hundred nine million, eight hundred eight thousand, seven hundred ninety-four".