242142340252 has 12 divisors (see below), whose sum is σ = 425246444056. Its totient is φ = 120643356240.

The previous prime is 242142340247. The next prime is 242142340261. The reversal of 242142340252 is 252043241242.

It is a happy number.

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, 106952199 + ... + 106954462.

Almost surely, 2^242142340252 is an apocalyptic number.

It is an amenable number.

242142340252 is a deficient number, since it is larger than the sum of its proper divisors (183104103804).

242142340252 is a wasteful number, since it uses less digits than its factorization.

242142340252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213906948 (or 213906946 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 242142340252 its reverse (252043241242), we get a palindrome (494185581494).

The spelling of 242142340252 in words is "two hundred forty-two billion, one hundred forty-two million, three hundred forty thousand, two hundred fifty-two".