442142113 has 16 divisors (see below), whose sum is σ = 518307840. Its totient is φ = 369297936.

The previous prime is 442142111. The next prime is 442142117. The reversal of 442142113 is 311241244.

It is a happy number.

It is not a de Polignac number, because 442142113 - 2¹ = 442142111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442142111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75820 + ... + 81442.

It is an arithmetic number, because the mean of its divisors is an integer number (32394240).

Almost surely, 2^442142113 is an apocalyptic number.

It is an amenable number.

442142113 is a deficient number, since it is larger than the sum of its proper divisors (76165727).

442142113 is a wasteful number, since it uses less digits than its factorization.

442142113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5916.

The product of its digits is 768, while the sum is 22.

The square root of 442142113 is about 21027.1755830402. The cubic root of 442142113 is about 761.8227905670.

Adding to 442142113 its reverse (311241244), we get a palindrome (753383357).

The spelling of 442142113 in words is "four hundred forty-two million, one hundred forty-two thousand, one hundred thirteen".