44331145 has 8 divisors (see below), whose sum is σ = 53586504. Its totient is φ = 35205504.

The previous prime is 44331139. The next prime is 44331179. The reversal of 44331145 is 54113344.

It can be written as a sum of positive squares in 4 ways, for example, as 2509056 + 41822089 = 1584^2 + 6467^2 .

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 44331145 - 2³ = 44331137 is a prime.

It is a super-2 number, since 2×44331145² = 3930500834022050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31674 + ... + 33043.

It is an arithmetic number, because the mean of its divisors is an integer number (6698313).

Almost surely, 2^44331145 is an apocalyptic number.

It is an amenable number.

44331145 is a deficient number, since it is larger than the sum of its proper divisors (9255359).

44331145 is a wasteful number, since it uses less digits than its factorization.

44331145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64859.

The product of its digits is 2880, while the sum is 25.

The square root of 44331145 is about 6658.1637859097. The cubic root of 44331145 is about 353.9182703636.

Adding to 44331145 its reverse (54113344), we get a palindrome (98444489).

The spelling of 44331145 in words is "forty-four million, three hundred thirty-one thousand, one hundred forty-five".