142230242 has 24 divisors (see below), whose sum is σ = 270740880. Its totient is φ = 55413960.

The previous prime is 142230203. The next prime is 142230259. The reversal of 142230242 is 242032241.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64892 + ... + 67047.

It is an arithmetic number, because the mean of its divisors is an integer number (11280870).

Almost surely, 2^142230242 is an apocalyptic number.

142230242 is a deficient number, since it is larger than the sum of its proper divisors (128510638).

142230242 is a wasteful number, since it uses less digits than its factorization.

142230242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131966 (or 131959 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 142230242 is about 11926.0321146641. The cubic root of 142230242 is about 521.9921633366.

Adding to 142230242 its reverse (242032241), we get a palindrome (384262483).

The spelling of 142230242 in words is "one hundred forty-two million, two hundred thirty thousand, two hundred forty-two".