444146143 has 12 divisors (see below), whose sum is σ = 518501640. Its totient is φ = 379339632.

The previous prime is 444146119. The next prime is 444146173. The reversal of 444146143 is 341641444.

It is not a de Polignac number, because 444146143 - 2¹⁷ = 444015071 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 (444146173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2148 + ... + 29881.

It is an arithmetic number, because the mean of its divisors is an integer number (43208470).

Almost surely, 2^444146143 is an apocalyptic number.

444146143 is a deficient number, since it is larger than the sum of its proper divisors (74355497).

444146143 is a wasteful number, since it uses less digits than its factorization.

444146143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32326 (or 32319 counting only the distinct ones).

The product of its digits is 18432, while the sum is 31.

The square root of 444146143 is about 21074.7750403177. The cubic root of 444146143 is about 762.9720552008.

Adding to 444146143 its reverse (341641444), we get a palindrome (785787587).

The spelling of 444146143 in words is "four hundred forty-four million, one hundred forty-six thousand, one hundred forty-three".