243210324142 has 16 divisors (see below), whose sum is σ = 369480231360. Its totient is φ = 120050637408.

The previous prime is 243210324059. The next prime is 243210324157. The reversal of 243210324142 is 241423012342.

It is a self number, because there is not a number n which added to its sum of digits gives 243210324142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1208008 + ... + 1394884.

It is an arithmetic number, because the mean of its divisors is an integer number (23092514460).

Almost surely, 2^243210324142 is an apocalyptic number.

243210324142 is a deficient number, since it is larger than the sum of its proper divisors (126269907218).

243210324142 is a wasteful number, since it uses less digits than its factorization.

243210324142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195195.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 243210324142 its reverse (241423012342), we get a palindrome (484633336484).

The spelling of 243210324142 in words is "two hundred forty-three billion, two hundred ten million, three hundred twenty-four thousand, one hundred forty-two".