242144243203 has 4 divisors (see below), whose sum is σ = 242418473128. Its totient is φ = 241870013280.

The previous prime is 242144243197. The next prime is 242144243227. The reversal of 242144243203 is 302342441242.

242144243203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 302342441242 = 2 ⋅151171220621.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242144243203 is a prime.

It is a super-2 number, since 2×242144243203² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242144243233) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 137113638 + ... + 137115403.

It is an arithmetic number, because the mean of its divisors is an integer number (60604618282).

Almost surely, 2^242144243203 is an apocalyptic number.

242144243203 is a deficient number, since it is larger than the sum of its proper divisors (274229925).

242144243203 is an equidigital number, since it uses as much as digits as its factorization.

242144243203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274229924.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 242144243203 its reverse (302342441242), we get a palindrome (544486684445).

The spelling of 242144243203 in words is "two hundred forty-two billion, one hundred forty-four million, two hundred forty-three thousand, two hundred three".