45447876 has 18 divisors (see below), whose sum is σ = 114882222. Its totient is φ = 15149280.

The previous prime is 45447869. The next prime is 45447887. The reversal of 45447876 is 67874454.

It can be written as a sum of positive squares in only one way, i.e., 43560000 + 1887876 = 6600^2 + 1374^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×45447876² = 4131018865822752, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 631185 + ... + 631256.

Almost surely, 2^45447876 is an apocalyptic number.

It is an amenable number.

45447876 is an abundant number, since it is smaller than the sum of its proper divisors (69434346).

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

45447876 is a wasteful number, since it uses less digits than its factorization.

45447876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262451 (or 1262446 counting only the distinct ones).

The product of its digits is 752640, while the sum is 45.

The square root of 45447876 is about 6741.5039865003. The cubic root of 45447876 is about 356.8654719920.

The spelling of 45447876 in words is "forty-five million, four hundred forty-seven thousand, eight hundred seventy-six".