44159285 has 8 divisors (see below), whose sum is σ = 56108376. Its totient is φ = 33249280.

The previous prime is 44159281. The next prime is 44159299. The reversal of 44159285 is 58295144.

It can be written as a sum of positive squares in 4 ways, for example, as 11062276 + 33097009 = 3326^2 + 5753^2 .

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

It is not a de Polignac number, because 44159285 - 2² = 44159281 is a prime.

It is a super-2 number, since 2×44159285² = 3900084903422450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44159281) 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, 259676 + ... + 259845.

It is an arithmetic number, because the mean of its divisors is an integer number (7013547).

Almost surely, 2^44159285 is an apocalyptic number.

It is an amenable number.

44159285 is a deficient number, since it is larger than the sum of its proper divisors (11949091).

44159285 is a wasteful number, since it uses less digits than its factorization.

44159285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519543.

The product of its digits is 57600, while the sum is 38.

The square root of 44159285 is about 6645.2452926886. The cubic root of 44159285 is about 353.4603292356.

It can be divided in two parts, 44159 and 285, that added together give a palindrome (44444).

The spelling of 44159285 in words is "forty-four million, one hundred fifty-nine thousand, two hundred eighty-five".