243115412144 has 40 divisors (see below), whose sum is σ = 523553021712. Its totient is φ = 108421963520.

The previous prime is 243115412131. The next prime is 243115412167. The reversal of 243115412144 is 441214511342.

243115412144 is digitally balanced in base 2 and base 3, because in such bases 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 243115412144.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13022159 + ... + 13040814.

Almost surely, 2^243115412144 is an apocalyptic number.

It is an amenable number.

243115412144 is an abundant number, since it is smaller than the sum of its proper divisors (280437609568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243115412144 is a wasteful number, since it uses less digits than its factorization.

243115412144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26063045 (or 26063039 counting only the distinct ones).

The product of its digits is 15360, while the sum is 32.

Adding to 243115412144 its reverse (441214511342), we get a palindrome (684329923486).

The spelling of 243115412144 in words is "two hundred forty-three billion, one hundred fifteen million, four hundred twelve thousand, one hundred forty-four".