45000225 has 48 divisors (see below), whose sum is σ = 83377600. Its totient is φ = 23794560.

The previous prime is 45000211. The next prime is 45000229. The reversal of 45000225 is 52200054.

It is not a de Polignac number, because 45000225 - 2⁴ = 45000209 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 45000198 and 45000207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45000229) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 109821 + ... + 110229.

Almost surely, 2^45000225 is an apocalyptic number.

45000225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45000225 is a deficient number, since it is larger than the sum of its proper divisors (38377375).

45000225 is a wasteful number, since it uses less digits than its factorization.

45000225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591 (or 580 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 45000225 is about 6708.2207029882. The cubic root of 45000225 is about 355.6899232636.

Adding to 45000225 its reverse (52200054), we get a palindrome (97200279).

The spelling of 45000225 in words is "forty-five million, two hundred twenty-five", and thus it is an aban number.