45492288 has 56 divisors (see below), whose sum is σ = 123322080. Its totient is φ = 14791680.

The previous prime is 45492259. The next prime is 45492299. The reversal of 45492288 is 88229454.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4983 + ... + 10761.

It is an arithmetic number, because the mean of its divisors is an integer number (2202180).

Almost surely, 2^45492288 is an apocalyptic number.

45492288 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45492288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61661040).

45492288 is an abundant number, since it is smaller than the sum of its proper divisors (77829792).

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

45492288 is a wasteful number, since it uses less digits than its factorization.

45492288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5835 (or 5825 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 45492288 is about 6744.7971059180. The cubic root of 45492288 is about 356.9816780058.

The spelling of 45492288 in words is "forty-five million, four hundred ninety-two thousand, two hundred eighty-eight".