45004 has 6 divisors (see below), whose sum is σ = 78764. Its totient is φ = 22500.

The previous prime is 44987. The next prime is 45007. The reversal of 45004 is 40054.

45004 is an esthetic number in base 9, because in such base its adjacent digits differ by 1.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (45007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5622 + ... + 5629.

2⁴⁵⁰⁰⁴ is an apocalyptic number.

It is an amenable number.

45004 is a deficient number, since it is larger than the sum of its proper divisors (33760).

45004 is a wasteful number, since it uses less digits than its factorization.

45004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11255 (or 11253 counting only the distinct ones).

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

The square root of 45004 is about 212.1414622369. The cubic root of 45004 is about 35.5699869080.

Adding to 45004 its reverse (40054), we get a palindrome (85058).

Subtracting from 45004 its reverse (40054), we obtain a triangular number (4950 = T₉₉).

The spelling of 45004 in words is "forty-five thousand, four".