45388288 has 40 divisors (see below), whose sum is σ = 98944560. Its totient is φ = 20628480.

The previous prime is 45388243. The next prime is 45388297. The reversal of 45388288 is 88288354.

It is a happy 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, 1603 + ... + 9661.

It is an arithmetic number, because the mean of its divisors is an integer number (2473614).

Almost surely, 2^45388288 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 45388288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49472280).

45388288 is an abundant number, since it is smaller than the sum of its proper divisors (53556272).

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

45388288 is an equidigital number, since it uses as much as digits as its factorization.

45388288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8088 (or 8072 counting only the distinct ones).

The product of its digits is 491520, while the sum is 46.

The square root of 45388288 is about 6737.0830483229. The cubic root of 45388288 is about 356.7094382960.

The spelling of 45388288 in words is "forty-five million, three hundred eighty-eight thousand, two hundred eighty-eight".