45142744 has 24 divisors (see below), whose sum is σ = 88491060. Its totient is φ = 21587984.

The previous prime is 45142717. The next prime is 45142751. The reversal of 45142744 is 44724154.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1102 + ... + 9565.

Almost surely, 2^45142744 is an apocalyptic number.

It is an amenable number.

45142744 is a deficient number, since it is larger than the sum of its proper divisors (43348316).

45142744 is a wasteful number, since it uses less digits than its factorization.

45142744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10719 (or 10692 counting only the distinct ones).

The product of its digits is 17920, while the sum is 31.

The square root of 45142744 is about 6718.8350180667. The cubic root of 45142744 is about 356.0650262061.

Adding to 45142744 its reverse (44724154), we get a palindrome (89866898).

The spelling of 45142744 in words is "forty-five million, one hundred forty-two thousand, seven hundred forty-four".