242530244143 has 12 divisors (see below), whose sum is σ = 275775345720. Its totient is φ = 212879208080.

The previous prime is 242530244141. The next prime is 242530244171. The reversal of 242530244143 is 341442035242.

It is not a de Polignac number, because 242530244143 - 2¹ = 242530244141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242530244099 and 242530244108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242530244141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34554805 + ... + 34561822.

It is an arithmetic number, because the mean of its divisors is an integer number (22981278810).

Almost surely, 2^242530244143 is an apocalyptic number.

242530244143 is a deficient number, since it is larger than the sum of its proper divisors (33245101577).

242530244143 is a wasteful number, since it uses less digits than its factorization.

242530244143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69116678 (or 69116667 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 34.

Adding to 242530244143 its reverse (341442035242), we get a palindrome (583972279385).

The spelling of 242530244143 in words is "two hundred forty-two billion, five hundred thirty million, two hundred forty-four thousand, one hundred forty-three".