442330142 has 16 divisors (see below), whose sum is σ = 674697600. Its totient is φ = 217448280.

The previous prime is 442330039. The next prime is 442330151. The reversal of 442330142 is 241033244.

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, 49709 + ... + 57927.

It is an arithmetic number, because the mean of its divisors is an integer number (42168600).

Almost surely, 2^442330142 is an apocalyptic number.

442330142 is a deficient number, since it is larger than the sum of its proper divisors (232367458).

442330142 is a wasteful number, since it uses less digits than its factorization.

442330142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8671.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 442330142 is about 21031.6462028059. The cubic root of 442330142 is about 761.9307682754.

Adding to 442330142 its reverse (241033244), we get a palindrome (683363386).

The spelling of 442330142 in words is "four hundred forty-two million, three hundred thirty thousand, one hundred forty-two".