45744439 has 8 divisors (see below), whose sum is σ = 49325472. Its totient is φ = 42172320.

The previous prime is 45744427. The next prime is 45744443. The reversal of 45744439 is 93444754.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45744439 - 2⁵ = 45744407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45744409) 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, 11697 + ... + 15109.

It is an arithmetic number, because the mean of its divisors is an integer number (6165684).

Almost surely, 2^45744439 is an apocalyptic number.

45744439 is a deficient number, since it is larger than the sum of its proper divisors (3581033).

45744439 is a wasteful number, since it uses less digits than its factorization.

45744439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4457.

The product of its digits is 241920, while the sum is 40.

The square root of 45744439 is about 6763.4635357929. The cubic root of 45744439 is about 357.6400129685.

The spelling of 45744439 in words is "forty-five million, seven hundred forty-four thousand, four hundred thirty-nine".