242142442 has 8 divisors (see below), whose sum is σ = 363344832. Its totient is φ = 121027500.

The previous prime is 242142421. The next prime is 242142443. The reversal of 242142442 is 244241242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (242142443) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14434 + ... + 26317.

It is an arithmetic number, because the mean of its divisors is an integer number (45418104).

Almost surely, 2^242142442 is an apocalyptic number.

242142442 is a deficient number, since it is larger than the sum of its proper divisors (121202390).

242142442 is a wasteful number, since it uses less digits than its factorization.

242142442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43724.

The product of its digits is 4096, while the sum is 25.

The square root of 242142442 is about 15560.9267718860. The cubic root of 242142442 is about 623.2902106981.

Adding to 242142442 its reverse (244241242), we get a palindrome (486383684).

The spelling of 242142442 in words is "two hundred forty-two million, one hundred forty-two thousand, four hundred forty-two".