242142235 has 4 divisors (see below), whose sum is σ = 290570688. Its totient is φ = 193713784.

The previous prime is 242142227. The next prime is 242142247. The reversal of 242142235 is 532241242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242142235 - 2³ = 242142227 is a prime.

It is a Duffinian 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, 24214219 + ... + 24214228.

It is an arithmetic number, because the mean of its divisors is an integer number (72642672).

Almost surely, 2^242142235 is an apocalyptic number.

242142235 is a deficient number, since it is larger than the sum of its proper divisors (48428453).

242142235 is an equidigital number, since it uses as much as digits as its factorization.

242142235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48428452.

The product of its digits is 3840, while the sum is 25.

The square root of 242142235 is about 15560.9201206098. The cubic root of 242142235 is about 623.2900330877.

Adding to 242142235 its reverse (532241242), we get a palindrome (774383477).

The spelling of 242142235 in words is "two hundred forty-two million, one hundred forty-two thousand, two hundred thirty-five".