45393744 has 80 divisors (see below), whose sum is σ = 129009600. Its totient is φ = 13639680.

The previous prime is 45393739. The next prime is 45393749. The reversal of 45393744 is 44739354.

It is an interprime number because it is at equal distance from previous prime (45393739) and next prime (45393749).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45393749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78384 + ... + 78960.

It is an arithmetic number, because the mean of its divisors is an integer number (1612620).

Almost surely, 2^45393744 is an apocalyptic number.

45393744 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45393744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64504800).

45393744 is an abundant number, since it is smaller than the sum of its proper divisors (83615856).

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

45393744 is a wasteful number, since it uses less digits than its factorization.

45393744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748 (or 742 counting only the distinct ones).

The product of its digits is 181440, while the sum is 39.

The square root of 45393744 is about 6737.4879591729. The cubic root of 45393744 is about 356.7237307402.

The spelling of 45393744 in words is "forty-five million, three hundred ninety-three thousand, seven hundred forty-four".