442143142 has 16 divisors (see below), whose sum is σ = 782410752. Its totient is φ = 183377160.

The previous prime is 442143133. The next prime is 442143151. The reversal of 442143142 is 241341244.

It is an interprime number because it is at equal distance from previous prime (442143133) and next prime (442143151).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508948 + ... + 509815.

It is an arithmetic number, because the mean of its divisors is an integer number (48900672).

Almost surely, 2^442143142 is an apocalyptic number.

442143142 is a deficient number, since it is larger than the sum of its proper divisors (340267610).

442143142 is a wasteful number, since it uses less digits than its factorization.

442143142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018803.

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

The square root of 442143142 is about 21027.2000513620. The cubic root of 442143142 is about 761.8233815648.

Adding to 442143142 its reverse (241341244), we get a palindrome (683484386).

The spelling of 442143142 in words is "four hundred forty-two million, one hundred forty-three thousand, one hundred forty-two".