242643143055 has 64 divisors (see below), whose sum is σ = 403738214400. Its totient is φ = 124346302080.

The previous prime is 242643143051. The next prime is 242643143063. The reversal of 242643143055 is 550341346242.

It is not a de Polignac number, because 242643143055 - 2² = 242643143051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242643143051) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35726710 + ... + 35733500.

It is an arithmetic number, because the mean of its divisors is an integer number (6308409600).

Almost surely, 2^242643143055 is an apocalyptic number.

242643143055 is a deficient number, since it is larger than the sum of its proper divisors (161095071345).

242643143055 is a wasteful number, since it uses less digits than its factorization.

242643143055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7764.

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 242643143055 its reverse (550341346242), we get a palindrome (792984489297).

The spelling of 242643143055 in words is "two hundred forty-two billion, six hundred forty-three million, one hundred forty-three thousand, fifty-five".