44245 has 4 divisors (see below), whose sum is σ = 53100. Its totient is φ = 35392.

The previous prime is 44221. The next prime is 44249. The reversal of 44245 is 54244.

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 5041 + 39204 = 71^2 + 198^2 .

It is a cyclic number.

It is not a de Polignac number, because 44245 - 2¹¹ = 42197 is a prime.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4420 + ... + 4429.

It is an arithmetic number, because the mean of its divisors is an integer number (13275).

2⁴⁴²⁴⁵ is an apocalyptic number.

It is an amenable number.

44245 is a deficient number, since it is larger than the sum of its proper divisors (8855).

44245 is an equidigital number, since it uses as much as digits as its factorization.

44245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8854.

The product of its digits is 640, while the sum is 19.

The square root of 44245 is about 210.3449547767. The cubic root of 44245 is about 35.3688875137.

Adding to 44245 its reverse (54244), we get a palindrome (98489).

Subtracting 44245 from its reverse (54244), we obtain a palindrome (9999).

It can be divided in two parts, 44 and 245, that added together give a square (289 = 17²).

The spelling of 44245 in words is "forty-four thousand, two hundred forty-five".