142112242 has 8 divisors (see below), whose sum is σ = 213307776. Its totient is φ = 71009652.

The previous prime is 142112237. The next prime is 142112261. The reversal of 142112242 is 242211241.

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

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, 19278 + ... + 25609.

It is an arithmetic number, because the mean of its divisors is an integer number (26663472).

Almost surely, 2^142112242 is an apocalyptic number.

142112242 is a deficient number, since it is larger than the sum of its proper divisors (71195534).

142112242 is a wasteful number, since it uses less digits than its factorization.

142112242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46472.

The product of its digits is 256, while the sum is 19.

The square root of 142112242 is about 11921.0839272274. The cubic root of 142112242 is about 521.8477680796.

Adding to 142112242 its reverse (242211241), we get a palindrome (384323483).

The spelling of 142112242 in words is "one hundred forty-two million, one hundred twelve thousand, two hundred forty-two".