44105 has 4 divisors (see below), whose sum is σ = 52932. Its totient is φ = 35280.

The previous prime is 44101. The next prime is 44111. The reversal of 44105 is 50144.

Added to its reverse (50144) it gives a square (94249 = 307²).

44105 = 148² + 149².

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 21904 + 22201 = 148^2 + 149^2 .

It is not a de Polignac number, because 44105 - 2² = 44101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 44105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4406 + ... + 4415.

It is an arithmetic number, because the mean of its divisors is an integer number (13233).

2⁴⁴¹⁰⁵ is an apocalyptic number.

44105 is the 149-th centered square number.

It is an amenable number.

44105 is a deficient number, since it is larger than the sum of its proper divisors (8827).

44105 is an equidigital number, since it uses as much as digits as its factorization.

44105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8826.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 44105 is about 210.0119044245. The cubic root of 44105 is about 35.3315433609.

Adding to 44105 its reverse (50144), we get a palindrome (94249).

The spelling of 44105 in words is "forty-four thousand, one hundred five".