243902031144 has 32 divisors (see below), whose sum is σ = 611715723840. Its totient is φ = 81039257600.

The previous prime is 243902031103. The next prime is 243902031181. The reversal of 243902031144 is 441130209342.

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, 16331097 + ... + 16346024.

It is an arithmetic number, because the mean of its divisors is an integer number (19116116370).

Almost surely, 2^243902031144 is an apocalyptic number.

243902031144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

243902031144 is an abundant number, since it is smaller than the sum of its proper divisors (367813692696).

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

243902031144 is a wasteful number, since it uses less digits than its factorization.

243902031144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32677441 (or 32677437 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 243902031144 in words is "two hundred forty-three billion, nine hundred two million, thirty-one thousand, one hundred forty-four".