45025004 has 12 divisors (see below), whose sum is σ = 80923584. Its totient is φ = 21903984.

The previous prime is 45024997. The next prime is 45025009. The reversal of 45025004 is 40052054.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (45025009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151964 + ... + 152259.

It is an arithmetic number, because the mean of its divisors is an integer number (6743632).

Almost surely, 2^45025004 is an apocalyptic number.

It is an amenable number.

45025004 is a deficient number, since it is larger than the sum of its proper divisors (35898580).

45025004 is a wasteful number, since it uses less digits than its factorization.

45025004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304264 (or 304262 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 45025004 is about 6710.0673618079. The cubic root of 45025004 is about 355.7551971845.

Adding to 45025004 its reverse (40052054), we get a palindrome (85077058).

The spelling of 45025004 in words is "forty-five million, twenty-five thousand, four".