44805 has 16 divisors (see below), whose sum is σ = 74880. Its totient is φ = 22848.

The previous prime is 44797. The next prime is 44809. The reversal of 44805 is 50844.

44805 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44805 - 2³ = 44797 is a prime.

It is a Curzon number.

44805 is a lucky number.

It is a nialpdrome in base 15.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 384 + ... + 486.

It is an arithmetic number, because the mean of its divisors is an integer number (4680).

2⁴⁴⁸⁰⁵ is an apocalyptic number.

It is an amenable number.

44805 is a deficient number, since it is larger than the sum of its proper divisors (30075).

44805 is a wasteful number, since it uses less digits than its factorization.

44805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 44805 is about 211.6719159454. The cubic root of 44805 is about 35.5174813063.

The spelling of 44805 in words is "forty-four thousand, eight hundred five".