44440143 has 16 divisors (see below), whose sum is σ = 66726912. Its totient is φ = 26064000.

The previous prime is 44440141. The next prime is 44440153. The reversal of 44440143 is 34104444.

44440143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44440143 - 2¹ = 44440141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44440141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20698 + ... + 22743.

It is an arithmetic number, because the mean of its divisors is an integer number (4170432).

Almost surely, 2^44440143 is an apocalyptic number.

44440143 is a deficient number, since it is larger than the sum of its proper divisors (22286769).

44440143 is a wasteful number, since it uses less digits than its factorization.

44440143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43486.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 44440143 is about 6666.3440505272. The cubic root of 44440143 is about 354.2080952752.

Adding to 44440143 its reverse (34104444), we get a palindrome (78544587).

It can be divided in two parts, 444401 and 43, that added together give a palindrome (444444).

The spelling of 44440143 in words is "forty-four million, four hundred forty thousand, one hundred forty-three".