45508813165 has 4 divisors (see below), whose sum is σ = 54610575804. Its totient is φ = 36407050528.

The previous prime is 45508813117. The next prime is 45508813171. The reversal of 45508813165 is 56131880554.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9962235721 + 35546577444 = 99811^2 + 188538^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45508813165 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4550881312 + ... + 4550881321.

It is an arithmetic number, because the mean of its divisors is an integer number (13652643951).

Almost surely, 2^45508813165 is an apocalyptic number.

It is an amenable number.

45508813165 is a deficient number, since it is larger than the sum of its proper divisors (9101762639).

45508813165 is an equidigital number, since it uses as much as digits as its factorization.

45508813165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9101762638.

The product of its (nonzero) digits is 576000, while the sum is 46.

The spelling of 45508813165 in words is "forty-five billion, five hundred eight million, eight hundred thirteen thousand, one hundred sixty-five".