243242211142 has 48 divisors (see below), whose sum is σ = 426130467840. Its totient is φ = 103830228432.

The previous prime is 243242211139. The next prime is 243242211143. The reversal of 243242211142 is 241112242342.

243242211142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 243242211142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243242211143) 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 23 ways as a sum of consecutive naturals, for example, 62065459 + ... + 62069377.

It is an arithmetic number, because the mean of its divisors is an integer number (8877718080).

Almost surely, 2^243242211142 is an apocalyptic number.

243242211142 is a deficient number, since it is larger than the sum of its proper divisors (182888256698).

243242211142 is a wasteful number, since it uses less digits than its factorization.

243242211142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6305 (or 6298 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

Adding to 243242211142 its reverse (241112242342), we get a palindrome (484354453484).

The spelling of 243242211142 in words is "two hundred forty-three billion, two hundred forty-two million, two hundred eleven thousand, one hundred forty-two".