242020142 has 32 divisors (see below), whose sum is σ = 450261504. Its totient is φ = 95004000.

The previous prime is 242020133. The next prime is 242020159. The reversal of 242020142 is 241020242.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 242020142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18767 + ... + 28917.

It is an arithmetic number, because the mean of its divisors is an integer number (14070672).

Almost surely, 2^242020142 is an apocalyptic number.

242020142 is a deficient number, since it is larger than the sum of its proper divisors (208241362).

242020142 is a wasteful number, since it uses less digits than its factorization.

242020142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10304.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 242020142 is about 15556.9965610332. The cubic root of 242020142 is about 623.1852570058.

Adding to 242020142 its reverse (241020242), we get a palindrome (483040384).

The spelling of 242020142 in words is "two hundred forty-two million, twenty thousand, one hundred forty-two".