45317944 has 48 divisors (see below), whose sum is σ = 99522000. Its totient is φ = 19289088.

The previous prime is 45317941. The next prime is 45317953. The reversal of 45317944 is 44971354.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45317941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75357 + ... + 75955.

It is an arithmetic number, because the mean of its divisors is an integer number (2073375).

Almost surely, 2^45317944 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 45317944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49761000).

45317944 is an abundant number, since it is smaller than the sum of its proper divisors (54204056).

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

45317944 is a wasteful number, since it uses less digits than its factorization.

45317944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812 (or 801 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 45317944 is about 6731.8603669417. The cubic root of 45317944 is about 356.5250636923.

The spelling of 45317944 in words is "forty-five million, three hundred seventeen thousand, nine hundred forty-four".