4442143 has 8 divisors (see below), whose sum is σ = 4719600. Its totient is φ = 4169088.

The previous prime is 4442131. The next prime is 4442159. The reversal of 4442143 is 3412444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4442143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4442443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1113 + ... + 3181.

It is an arithmetic number, because the mean of its divisors is an integer number (589950).

Almost surely, 2^4442143 is an apocalyptic number.

4442143 is a deficient number, since it is larger than the sum of its proper divisors (277457).

4442143 is a wasteful number, since it uses less digits than its factorization.

4442143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2201.

The product of its digits is 1536, while the sum is 22.

The square root of 4442143 is about 2107.6392006223. The cubic root of 4442143 is about 164.3857541384.

Adding to 4442143 its reverse (3412444), we get a palindrome (7854587).

The spelling of 4442143 in words is "four million, four hundred forty-two thousand, one hundred forty-three".