45744388 has 12 divisors (see below), whose sum is σ = 81365452. Its totient is φ = 22497120.

The previous prime is 45744383. The next prime is 45744407. The reversal of 45744388 is 88344754.

It can be written as a sum of positive squares in 2 ways, for example, as 8020224 + 37724164 = 2832^2 + 6142^2 .

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

It is not an unprimeable number, because it can be changed into a prime (45744383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93495 + ... + 93982.

Almost surely, 2^45744388 is an apocalyptic number.

It is an amenable number.

45744388 is a deficient number, since it is larger than the sum of its proper divisors (35621064).

45744388 is a wasteful number, since it uses less digits than its factorization.

45744388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187542 (or 187540 counting only the distinct ones).

The product of its digits is 430080, while the sum is 43.

The square root of 45744388 is about 6763.4597655342. The cubic root of 45744388 is about 357.6398800587.

The spelling of 45744388 in words is "forty-five million, seven hundred forty-four thousand, three hundred eighty-eight".