142238342 has 8 divisors (see below), whose sum is σ = 213408432. Its totient is φ = 71102200.

The previous prime is 142238333. The next prime is 142238363. The reversal of 142238342 is 243832241.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10367 + ... + 19797.

It is an arithmetic number, because the mean of its divisors is an integer number (26676054).

Almost surely, 2^142238342 is an apocalyptic number.

142238342 is a deficient number, since it is larger than the sum of its proper divisors (71170090).

142238342 is an equidigital number, since it uses as much as digits as its factorization.

142238342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16974.

The product of its digits is 9216, while the sum is 29.

The square root of 142238342 is about 11926.3717030789. The cubic root of 142238342 is about 522.0020722847.

The spelling of 142238342 in words is "one hundred forty-two million, two hundred thirty-eight thousand, three hundred forty-two".