243542444245342 has 24 divisors (see below), whose sum is σ = 414496124796096. Its totient is φ = 107130107436000.

The previous prime is 243542444245297. The next prime is 243542444245409.

243542444245342 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×243542444245342³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 243542444245342.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 16231826959 + ... + 16231841962.

It is an arithmetic number, because the mean of its divisors is an integer number (17270671866504).

Almost surely, 2^{243542444245342} is an apocalyptic number.

243542444245342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

243542444245342 is a deficient number, since it is larger than the sum of its proper divisors (170953680550754).

243542444245342 is a wasteful number, since it uses less digits than its factorization.

243542444245342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32463668976 (or 32463668965 counting only the distinct ones).

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

The spelling of 243542444245342 in words is "two hundred forty-three trillion, five hundred forty-two billion, four hundred forty-four million, two hundred forty-five thousand, three hundred forty-two".