242240142 has 8 divisors (see below), whose sum is σ = 484480296. Its totient is φ = 80746712.

The previous prime is 242240087. The next prime is 242240171. The reversal of 242240142 is 241042242.

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

242240142 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20186673 + ... + 20186684.

It is an arithmetic number, because the mean of its divisors is an integer number (60560037).

Almost surely, 2^242240142 is an apocalyptic number.

242240142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

242240142 is a wasteful number, since it uses less digits than its factorization.

242240142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40373362.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 242240142 is about 15564.0657284657. The cubic root of 242240142 is about 623.3740281196.

Adding to 242240142 its reverse (241042242), we get a palindrome (483282384).

The spelling of 242240142 in words is "two hundred forty-two million, two hundred forty thousand, one hundred forty-two".