45002004 has 12 divisors (see below), whose sum is σ = 105004704. Its totient is φ = 15000664.

The previous prime is 45001993. The next prime is 45002017. The reversal of 45002004 is 40020054.

45002004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1875072 + ... + 1875095.

It is an arithmetic number, because the mean of its divisors is an integer number (8750392).

Almost surely, 2^45002004 is an apocalyptic number.

It is an amenable number.

45002004 is an abundant number, since it is smaller than the sum of its proper divisors (60002700).

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

45002004 is a wasteful number, since it uses less digits than its factorization.

45002004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3750174 (or 3750172 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 45002004 is about 6708.3533001773. The cubic root of 45002004 is about 355.6946103811.

Adding to 45002004 its reverse (40020054), we get a palindrome (85022058).

The spelling of 45002004 in words is "forty-five million, two thousand, four".