45000004 has 12 divisors (see below), whose sum is σ = 90000064. Its totient is φ = 19285704.

The previous prime is 44999971. The next prime is 45000017. The reversal of 45000004 is 40000054.

45000004 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 803544 + ... + 803599.

Almost surely, 2^45000004 is an apocalyptic number.

It is an amenable number.

45000004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

45000004 is a wasteful number, since it uses less digits than its factorization.

45000004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1607154 (or 1607152 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 45000004 is about 6708.2042306418. The cubic root of 45000004 is about 355.6893409879.

Adding to 45000004 its reverse (40000054), we get a palindrome (85000058).

The spelling of 45000004 in words is "forty-five million, four", and thus it is an aban number.