442143124 has 12 divisors (see below), whose sum is σ = 777130900. Its totient is φ = 220105728.

The previous prime is 442143113. The next prime is 442143133. The reversal of 442143124 is 421341244.

It can be written as a sum of positive squares in 2 ways, for example, as 358420624 + 83722500 = 18932^2 + 9150^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 240429 + ... + 242260.

Almost surely, 2^442143124 is an apocalyptic number.

It is an amenable number.

442143124 is a deficient number, since it is larger than the sum of its proper divisors (334987776).

442143124 is a wasteful number, since it uses less digits than its factorization.

442143124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482922 (or 482920 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 442143124 is about 21027.1996233450. The cubic root of 442143124 is about 761.8233712266.

Adding to 442143124 its reverse (421341244), we get a palindrome (863484368).

The spelling of 442143124 in words is "four hundred forty-two million, one hundred forty-three thousand, one hundred twenty-four".