45319344 has 80 divisors (see below), whose sum is σ = 138443520. Its totient is φ = 12499200.

The previous prime is 45319321. The next prime is 45319357. The reversal of 45319344 is 44391354.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7419 + ... + 12069.

It is an arithmetic number, because the mean of its divisors is an integer number (1730544).

Almost surely, 2^45319344 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 45319344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69221760).

45319344 is an abundant number, since it is smaller than the sum of its proper divisors (93124176).

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

45319344 is a wasteful number, since it uses less digits than its factorization.

45319344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4698 (or 4692 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 45319344 is about 6731.9643492817. The cubic root of 45319344 is about 356.5287350117.

The spelling of 45319344 in words is "forty-five million, three hundred nineteen thousand, three hundred forty-four".