45004288 has 80 divisors (see below), whose sum is σ = 106555680. Its totient is φ = 18579456.

The previous prime is 45004249. The next prime is 45004291. The reversal of 45004288 is 88240054.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103720 + ... + 104152.

It is an arithmetic number, because the mean of its divisors is an integer number (1331946).

Almost surely, 2^45004288 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 45004288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53277840).

45004288 is an abundant number, since it is smaller than the sum of its proper divisors (61551392).

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

45004288 is an equidigital number, since it uses as much as digits as its factorization.

45004288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487 (or 471 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 45004288 is about 6708.5235335355. The cubic root of 45004288 is about 355.7006278372.

The spelling of 45004288 in words is "forty-five million, four thousand, two hundred eighty-eight".