242142430 has 16 divisors (see below), whose sum is σ = 447636960. Its totient is φ = 94239072.

The previous prime is 242142421. The next prime is 242142443. The reversal of 242142430 is 34241242.

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 7 ways as a sum of consecutive naturals, for example, 326850 + ... + 327589.

It is an arithmetic number, because the mean of its divisors is an integer number (27977310).

Almost surely, 2^242142430 is an apocalyptic number.

242142430 is a deficient number, since it is larger than the sum of its proper divisors (205494530).

242142430 is a wasteful number, since it uses less digits than its factorization.

242142430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654483.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 242142430 is about 15560.9263863049. The cubic root of 242142430 is about 623.2902004019.

Adding to 242142430 its reverse (34241242), we get a palindrome (276383672).

The spelling of 242142430 in words is "two hundred forty-two million, one hundred forty-two thousand, four hundred thirty".