45003504 has 80 divisors (see below), whose sum is σ = 143101952. Its totient is φ = 11867904.

The previous prime is 45003467. The next prime is 45003521. The reversal of 45003504 is 40530054.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 784 + ... + 9519.

Almost surely, 2^45003504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45003504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71550976).

45003504 is an abundant number, since it is smaller than the sum of its proper divisors (98098448).

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

45003504 is a wasteful number, since it uses less digits than its factorization.

45003504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10334 (or 10328 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 45003504 is about 6708.4651001552. The cubic root of 45003504 is about 355.6985623236.

Adding to 45003504 its reverse (40530054), we get a palindrome (85533558).

The spelling of 45003504 in words is "forty-five million, three thousand, five hundred four".