45815990216 has 32 divisors (see below), whose sum is σ = 93176720280. Its totient is φ = 21034598400.

The previous prime is 45815990203. The next prime is 45815990221. The reversal of 45815990216 is 61209951854.

It can be written as a sum of positive squares in 4 ways, for example, as 23571460900 + 22244529316 = 153530^2 + 149146^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4102745 + ... + 4113896.

Almost surely, 2^45815990216 is an apocalyptic number.

It is an amenable number.

45815990216 is an abundant number, since it is smaller than the sum of its proper divisors (47360730064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45815990216 is a wasteful number, since it uses less digits than its factorization.

45815990216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8216705 (or 8216701 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 50.

The spelling of 45815990216 in words is "forty-five billion, eight hundred fifteen million, nine hundred ninety thousand, two hundred sixteen".