242144243205 has 8 divisors (see below), whose sum is σ = 387430789152. Its totient is φ = 129143596368.

The previous prime is 242144243197. The next prime is 242144243227. The reversal of 242144243205 is 502342441242.

242144243205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 242144243205 - 2³ = 242144243197 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8071474759 + ... + 8071474788.

It is an arithmetic number, because the mean of its divisors is an integer number (48428848644).

Almost surely, 2^242144243205 is an apocalyptic number.

It is an amenable number.

242144243205 is a deficient number, since it is larger than the sum of its proper divisors (145286545947).

242144243205 is a wasteful number, since it uses less digits than its factorization.

242144243205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16142949555.

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 242144243205 its reverse (502342441242), we get a palindrome (744486684447).

The spelling of 242144243205 in words is "two hundred forty-two billion, one hundred forty-four million, two hundred forty-three thousand, two hundred five".