243222144243 has 8 divisors (see below), whose sum is σ = 349242053328. Its totient is φ = 149675165664.

The previous prime is 243222144199. The next prime is 243222144281. The reversal of 243222144243 is 342441222342.

It is a happy number.

243222144243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 243222144243 - 2²² = 243217949939 is a prime.

It is a super-4 number, since 4×243222144243⁴ (a number of 47 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (243222154243) 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 7 ways as a sum of consecutive naturals, for example, 3118232580 + ... + 3118232657.

It is an arithmetic number, because the mean of its divisors is an integer number (43655256666).

Almost surely, 2^243222144243 is an apocalyptic number.

243222144243 is a deficient number, since it is larger than the sum of its proper divisors (106019909085).

243222144243 is a wasteful number, since it uses less digits than its factorization.

243222144243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6236465253.

The product of its digits is 73728, while the sum is 33.

Adding to 243222144243 its reverse (342441222342), we get a palindrome (585663366585).

The spelling of 243222144243 in words is "two hundred forty-three billion, two hundred twenty-two million, one hundred forty-four thousand, two hundred forty-three".