4440143 has 4 divisors (see below), whose sum is σ = 4451160. Its totient is φ = 4429128.

The previous prime is 4440133. The next prime is 4440169. The reversal of 4440143 is 3410444.

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

It is a cyclic number.

It is not a de Polignac number, because 4440143 - 2⁸ = 4439887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4440133) 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, 4880 + ... + 5717.

It is an arithmetic number, because the mean of its divisors is an integer number (1112790).

Almost surely, 2^4440143 is an apocalyptic number.

4440143 is a deficient number, since it is larger than the sum of its proper divisors (11017).

4440143 is a wasteful number, since it uses less digits than its factorization.

4440143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11016.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4440143 is about 2107.1646826957. The cubic root of 4440143 is about 164.3610797968.

Adding to 4440143 its reverse (3410444), we get a palindrome (7850587).

It can be divided in two parts, 44401 and 43, that added together give a palindrome (44444).

The spelling of 4440143 in words is "four million, four hundred forty thousand, one hundred forty-three".