44158 has 4 divisors (see below), whose sum is σ = 66240. Its totient is φ = 22078.

The previous prime is 44131. The next prime is 44159. The reversal of 44158 is 85144.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11038 + ... + 11041.

It is an arithmetic number, because the mean of its divisors is an integer number (16560).

2⁴⁴¹⁵⁸ is an apocalyptic number.

44158 is a deficient number, since it is larger than the sum of its proper divisors (22082).

44158 is a wasteful number, since it uses less digits than its factorization.

44158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22081.

The product of its digits is 640, while the sum is 22.

The square root of 44158 is about 210.1380498625. The cubic root of 44158 is about 35.3456900731.

It can be divided in two parts, 44 and 158, that added together give a palindrome (202).

The spelling of 44158 in words is "forty-four thousand, one hundred fifty-eight".