45879444 has 54 divisors (see below), whose sum is σ = 125596926. Its totient is φ = 14114880.

The previous prime is 45879439. The next prime is 45879461. The reversal of 45879444 is 44497854.

It can be written as a sum of positive squares in 3 ways, for example, as 2160900 + 43718544 = 1470^2 + 6612^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 45879444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2314 + ... + 9854.

It is an arithmetic number, because the mean of its divisors is an integer number (2325869).

Almost surely, 2^45879444 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 45879444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62798463).

45879444 is an abundant number, since it is smaller than the sum of its proper divisors (79717482).

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

45879444 is a wasteful number, since it uses less digits than its factorization.

45879444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7577 (or 7559 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 45879444 is about 6773.4366461937. The cubic root of 45879444 is about 357.9915002716.

The spelling of 45879444 in words is "forty-five million, eight hundred seventy-nine thousand, four hundred forty-four".