44945 has 8 divisors (see below), whose sum is σ = 55080. Its totient is φ = 35200.

The previous prime is 44939. The next prime is 44953. The reversal of 44945 is 54944.

It is a Cunningham number, because it is equal to 212²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 8464 + 36481 = 92^2 + 191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 44945 - 2¹² = 40849 is a prime.

It is a Curzon number.

It is a congruent 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, 395 + ... + 495.

It is an arithmetic number, because the mean of its divisors is an integer number (6885).

2⁴⁴⁹⁴⁵ is an apocalyptic number.

It is an amenable number.

44945 is a deficient number, since it is larger than the sum of its proper divisors (10135).

44945 is a wasteful number, since it uses less digits than its factorization.

44945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195.

The product of its digits is 2880, while the sum is 26.

The square root of 44945 is about 212.0023584774. The cubic root of 44945 is about 35.5544360903.

Subtracting 44945 from its reverse (54944), we obtain a palindrome (9999).

It can be divided in two parts, 449 and 45, that added together give a palindrome (494).

The spelling of 44945 in words is "forty-four thousand, nine hundred forty-five".