242142123144 has 16 divisors (see below), whose sum is σ = 605355307920. Its totient is φ = 80714041040.

The previous prime is 242142123143. The next prime is 242142123203. The reversal of 242142123144 is 441321241242.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (242142123143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5044627542 + ... + 5044627589.

It is an arithmetic number, because the mean of its divisors is an integer number (37834706745).

Almost surely, 2^242142123144 is an apocalyptic number.

242142123144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

242142123144 is an abundant number, since it is smaller than the sum of its proper divisors (363213184776).

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

242142123144 is a wasteful number, since it uses less digits than its factorization.

242142123144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10089255140 (or 10089255136 counting only the distinct ones).

The product of its digits is 12288, while the sum is 30.

Adding to 242142123144 its reverse (441321241242), we get a palindrome (683463364386).

The spelling of 242142123144 in words is "two hundred forty-two billion, one hundred forty-two million, one hundred twenty-three thousand, one hundred forty-four".