45004225 has 24 divisors (see below), whose sum is σ = 64112960. Its totient is φ = 30697920.

The previous prime is 45004189. The next prime is 45004229. The reversal of 45004225 is 52240054.

It is not a de Polignac number, because 45004225 - 2⁷ = 45004097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45004196 and 45004205.

It is not an unprimeable number, because it can be changed into a prime (45004229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39514 + ... + 40636.

Almost surely, 2^45004225 is an apocalyptic number.

It is an amenable number.

45004225 is a deficient number, since it is larger than the sum of its proper divisors (19108735).

45004225 is a wasteful number, since it uses less digits than its factorization.

45004225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369 (or 1364 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 45004225 is about 6708.5188380148. The cubic root of 45004225 is about 355.7004618593.

Adding to 45004225 its reverse (52240054), we get a palindrome (97244279).

The spelling of 45004225 in words is "forty-five million, four thousand, two hundred twenty-five".