243245343255 has 16 divisors (see below), whose sum is σ = 392829865344. Its totient is φ = 128518411040.

The previous prime is 243245343239. The next prime is 243245343269. The reversal of 243245343255 is 552343542342.

It is not a de Polignac number, because 243245343255 - 2⁴ = 243245343239 is a prime.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 75775761 + ... + 75778970.

It is an arithmetic number, because the mean of its divisors is an integer number (24551866584).

Almost surely, 2^243245343255 is an apocalyptic number.

243245343255 is a deficient number, since it is larger than the sum of its proper divisors (149584522089).

243245343255 is a wasteful number, since it uses less digits than its factorization.

243245343255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151554846.

The product of its digits is 1728000, while the sum is 42.

Adding to 243245343255 its reverse (552343542342), we get a palindrome (795588885597).

The spelling of 243245343255 in words is "two hundred forty-three billion, two hundred forty-five million, three hundred forty-three thousand, two hundred fifty-five".