45737944 has 32 divisors (see below), whose sum is σ = 98445600. Its totient is φ = 19514880.

The previous prime is 45737933. The next prime is 45737947. The reversal of 45737944 is 44973754.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 45737944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45737947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11802 + ... + 15190.

It is an arithmetic number, because the mean of its divisors is an integer number (3076425).

Almost surely, 2^45737944 is an apocalyptic number.

It is an amenable number.

45737944 is an abundant number, since it is smaller than the sum of its proper divisors (52707656).

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

45737944 is a wasteful number, since it uses less digits than its factorization.

45737944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3643 (or 3639 counting only the distinct ones).

The product of its digits is 423360, while the sum is 43.

The square root of 45737944 is about 6762.9833653499. The cubic root of 45737944 is about 357.6230857246.

The spelling of 45737944 in words is "forty-five million, seven hundred thirty-seven thousand, nine hundred forty-four".