45639088 has 40 divisors (see below), whose sum is σ = 96935760. Its totient is φ = 20643840.

The previous prime is 45639073. The next prime is 45639091. The reversal of 45639088 is 88093654.

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, 44728 + ... + 45736.

It is an arithmetic number, because the mean of its divisors is an integer number (2423394).

Almost surely, 2^45639088 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 45639088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48467880).

45639088 is an abundant number, since it is smaller than the sum of its proper divisors (51296672).

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

45639088 is a wasteful number, since it uses less digits than its factorization.

45639088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285 (or 1279 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 45639088 is about 6755.6708031105. The cubic root of 45639088 is about 357.3652495563.

The spelling of 45639088 in words is "forty-five million, six hundred thirty-nine thousand, eighty-eight".