242421142 has 8 divisors (see below), whose sum is σ = 369059256. Its totient is φ = 119401392.

The previous prime is 242421131. The next prime is 242421169. The reversal of 242421142 is 241124242.

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

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, 904423 + ... + 904690.

It is an arithmetic number, because the mean of its divisors is an integer number (46132407).

Almost surely, 2^242421142 is an apocalyptic number.

242421142 is a deficient number, since it is larger than the sum of its proper divisors (126638114).

242421142 is a wasteful number, since it uses less digits than its factorization.

242421142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809182.

The product of its digits is 1024, while the sum is 22.

The square root of 242421142 is about 15569.8793187359. The cubic root of 242421142 is about 623.5292495839.

Adding to 242421142 its reverse (241124242), we get a palindrome (483545384).

The spelling of 242421142 in words is "two hundred forty-two million, four hundred twenty-one thousand, one hundred forty-two".