243244545442342 has 32 divisors (see below), whose sum is σ = 375245064381600. Its totient is φ = 118223924917248.

The previous prime is 243244545442319. The next prime is 243244545442361.

243244545442342 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 243244545442342.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40964367 + ... + 46524922.

It is an arithmetic number, because the mean of its divisors is an integer number (11726408261925).

Almost surely, 2^{243244545442342} is an apocalyptic number.

243244545442342 is a deficient number, since it is larger than the sum of its proper divisors (132000518939258).

243244545442342 is a wasteful number, since it uses less digits than its factorization.

243244545442342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87489640.

The product of its digits is 58982400, while the sum is 52.

The spelling of 243244545442342 in words is "two hundred forty-three trillion, two hundred forty-four billion, five hundred forty-five million, four hundred forty-two thousand, three hundred forty-two".