442014142 has 8 divisors (see below), whose sum is σ = 672917256. Its totient is φ = 217708392.

The previous prime is 442014137. The next prime is 442014149. The reversal of 442014142 is 241410244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442014149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1649173 + ... + 1649440.

It is an arithmetic number, because the mean of its divisors is an integer number (84114657).

Almost surely, 2^442014142 is an apocalyptic number.

442014142 is a deficient number, since it is larger than the sum of its proper divisors (230903114).

442014142 is a wasteful number, since it uses less digits than its factorization.

442014142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3298682.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 442014142 is about 21024.1323721099. The cubic root of 442014142 is about 761.7492843128.

Adding to 442014142 its reverse (241410244), we get a palindrome (683424386).

The spelling of 442014142 in words is "four hundred forty-two million, fourteen thousand, one hundred forty-two".