45048444 has 72 divisors (see below), whose sum is σ = 127628928. Its totient is φ = 12307680.

The previous prime is 45048433. The next prime is 45048469. The reversal of 45048444 is 44484054.

It is a super-2 number, since 2×45048444² = 4058724613642272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11859 + ... + 15189.

It is an arithmetic number, because the mean of its divisors is an integer number (1772624).

Almost surely, 2^45048444 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 45048444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63814464).

45048444 is an abundant number, since it is smaller than the sum of its proper divisors (82580484).

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

45048444 is a wasteful number, since it uses less digits than its factorization.

45048444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3375 (or 3366 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 33.

The square root of 45048444 is about 6711.8137638048. The cubic root of 45048444 is about 355.8169218147.

The spelling of 45048444 in words is "forty-five million, forty-eight thousand, four hundred forty-four".