45751888 has 90 divisors (see below), whose sum is σ = 112731066. Its totient is φ = 17829504.

The previous prime is 45751883. The next prime is 45751907. The reversal of 45751888 is 88815754.

It can be written as a sum of positive squares in only one way, i.e., 31674384 + 14077504 = 5628^2 + 3752^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45751883) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 682831 + ... + 682897.

Almost surely, 2^45751888 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 45751888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56365533).

45751888 is an abundant number, since it is smaller than the sum of its proper divisors (66979178).

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

45751888 is a wasteful number, since it uses less digits than its factorization.

45751888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 89 counting only the distinct ones).

The product of its digits is 358400, while the sum is 46.

The square root of 45751888 is about 6764.0141927704. The cubic root of 45751888 is about 357.6594245511.

The spelling of 45751888 in words is "forty-five million, seven hundred fifty-one thousand, eight hundred eighty-eight".