45052224 has 56 divisors (see below), whose sum is σ = 136233408. Its totient is φ = 12871680.

The previous prime is 45052187. The next prime is 45052237. The reversal of 45052224 is 42225054.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 45052194 and 45052203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15417 + ... + 18104.

Almost surely, 2^45052224 is an apocalyptic number.

It is an amenable number.

45052224 is an abundant number, since it is smaller than the sum of its proper divisors (91181184).

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

45052224 is a wasteful number, since it uses less digits than its factorization.

45052224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33543 (or 33533 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 45052224 is about 6712.0953509318. The cubic root of 45052224 is about 355.8268736963.

Adding to 45052224 its reverse (42225054), we get a palindrome (87277278).

The spelling of 45052224 in words is "forty-five million, fifty-two thousand, two hundred twenty-four".