44131345 has 8 divisors (see below), whose sum is σ = 53015976. Its totient is φ = 35266176.

The previous prime is 44131327. The next prime is 44131361. The reversal of 44131345 is 54313144.

It can be written as a sum of positive squares in 4 ways, for example, as 2876416 + 41254929 = 1696^2 + 6423^2 .

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 44131345 - 2⁵ = 44131313 is a prime.

It is a super-2 number, since 2×44131345² = 3895151223018050, 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, 709 + ... + 9421.

It is an arithmetic number, because the mean of its divisors is an integer number (6626997).

Almost surely, 2^44131345 is an apocalyptic number.

It is an amenable number.

44131345 is a deficient number, since it is larger than the sum of its proper divisors (8884631).

44131345 is a wasteful number, since it uses less digits than its factorization.

44131345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9731.

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

The square root of 44131345 is about 6643.1427050757. The cubic root of 44131345 is about 353.3857676031.

Adding to 44131345 its reverse (54313144), we get a palindrome (98444489).

The spelling of 44131345 in words is "forty-four million, one hundred thirty-one thousand, three hundred forty-five".