45053749377 has 150 divisors (see below), whose sum is σ = 83372442842. Its totient is φ = 23439072384.

The previous prime is 45053749369. The next prime is 45053749397. The reversal of 45053749377 is 77394735054.

45053749377 is a `hidden beast` number, since 4 + 50 + 5 + 37 + 493 + 77 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 37196522496 + 7857226881 = 192864^2 + 88641^2 .

It is not a de Polignac number, because 45053749377 - 2³ = 45053749369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45053749397) 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 149 ways as a sum of consecutive naturals, for example, 617174613 + ... + 617174685.

Almost surely, 2^45053749377 is an apocalyptic number.

It is an amenable number.

45053749377 is a deficient number, since it is larger than the sum of its proper divisors (38318693465).

45053749377 is an frugal number, since it uses more digits than its factorization.

45053749377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 11113200, while the sum is 54.

It can be divided in two parts, 45053 and 749377, that added together give a triangular number (794430 = T₁₂₆₀).

The spelling of 45053749377 in words is "forty-five billion, fifty-three million, seven hundred forty-nine thousand, three hundred seventy-seven".