4420143 has 48 divisors (see below), whose sum is σ = 8235360. Its totient is φ = 2322432.

The previous prime is 4420139. The next prime is 4420159. The reversal of 4420143 is 3410244.

It is not a de Polignac number, because 4420143 - 2² = 4420139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4420183) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17071 + ... + 17327.

It is an arithmetic number, because the mean of its divisors is an integer number (171570).

Almost surely, 2^4420143 is an apocalyptic number.

4420143 is a deficient number, since it is larger than the sum of its proper divisors (3815217).

4420143 is a wasteful number, since it uses less digits than its factorization.

4420143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293 (or 280 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4420143 is about 2102.4136129696. The cubic root of 4420143 is about 164.1139278775.

Adding to 4420143 its reverse (3410244), we get a palindrome (7830387).

It can be divided in two parts, 44201 and 43, that added together give a palindrome (44244).

The spelling of 4420143 in words is "four million, four hundred twenty thousand, one hundred forty-three".