44043145 has 4 divisors (see below), whose sum is σ = 52851780. Its totient is φ = 35234512.

The previous prime is 44043133. The next prime is 44043151. The reversal of 44043145 is 54134044.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29019769 + 15023376 = 5387^2 + 3876^2 .

It is a cyclic number.

It is not a de Polignac number, because 44043145 - 2⁵ = 44043113 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4404310 + ... + 4404319.

It is an arithmetic number, because the mean of its divisors is an integer number (13212945).

Almost surely, 2^44043145 is an apocalyptic number.

It is an amenable number.

44043145 is a deficient number, since it is larger than the sum of its proper divisors (8808635).

44043145 is an equidigital number, since it uses as much as digits as its factorization.

44043145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8808634.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 44043145 is about 6636.5009605966. The cubic root of 44043145 is about 353.1501874116.

Adding to 44043145 its reverse (54134044), we get a palindrome (98177189).

The spelling of 44043145 in words is "forty-four million, forty-three thousand, one hundred forty-five".