242142102 has 16 divisors (see below), whose sum is σ = 538093680. Its totient is φ = 80714016.

The previous prime is 242142079. The next prime is 242142113. The reversal of 242142102 is 201241242.

242142102 is a `hidden beast` number, since 242 + 1 + 421 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2242003 + ... + 2242110.

It is an arithmetic number, because the mean of its divisors is an integer number (33630855).

Almost surely, 2^242142102 is an apocalyptic number.

242142102 is an abundant number, since it is smaller than the sum of its proper divisors (295951578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242142102 is a wasteful number, since it uses less digits than its factorization.

242142102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4484124 (or 4484118 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 242142102 is about 15560.9158470830. The cubic root of 242142102 is about 623.2899189707.

Adding to 242142102 its reverse (201241242), we get a palindrome (443383344).

The spelling of 242142102 in words is "two hundred forty-two million, one hundred forty-two thousand, one hundred two".