45447084 has 18 divisors (see below), whose sum is σ = 114880220. Its totient is φ = 15149016.

The previous prime is 45447053. The next prime is 45447091. The reversal of 45447084 is 48074454.

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

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1262419 = 45447084 / (4 + 5 + 4 + 4 + 7 + 0 + 8 + 4).

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, 631174 + ... + 631245.

Almost surely, 2^45447084 is an apocalyptic number.

It is an amenable number.

45447084 is an abundant number, since it is smaller than the sum of its proper divisors (69433136).

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

45447084 is a wasteful number, since it uses less digits than its factorization.

45447084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262429 (or 1262424 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The square root of 45447084 is about 6741.4452456428. The cubic root of 45447084 is about 356.8633990011.

It can be divided in two parts, 4544 and 7084, that added together give a triangular number (11628 = T₁₅₂).

The spelling of 45447084 in words is "forty-five million, four hundred forty-seven thousand, eighty-four".