242144306047 has 4 divisors (see below), whose sum is σ = 276736349776. Its totient is φ = 207552262320.

The previous prime is 242144305981. The next prime is 242144306051. The reversal of 242144306047 is 740603441242.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242144306047 - 2¹⁵ = 242144273279 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242144305997 and 242144306015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242144306947) 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, 17296021854 + ... + 17296021867.

It is an arithmetic number, because the mean of its divisors is an integer number (69184087444).

Almost surely, 2^242144306047 is an apocalyptic number.

242144306047 is a deficient number, since it is larger than the sum of its proper divisors (34592043729).

242144306047 is an equidigital number, since it uses as much as digits as its factorization.

242144306047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34592043728.

The product of its (nonzero) digits is 129024, while the sum is 37.

Adding to 242144306047 its reverse (740603441242), we get a palindrome (982747747289).

The spelling of 242144306047 in words is "two hundred forty-two billion, one hundred forty-four million, three hundred six thousand, forty-seven".