243245100143 has 2 divisors, whose sum is σ = 243245100144. Its totient is φ = 243245100142.

The previous prime is 243245100139. The next prime is 243245100169. The reversal of 243245100143 is 341001542342.

243245100143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243245100143 - 2² = 243245100139 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243245130143) 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 as a sum of consecutive naturals, namely, 121622550071 + 121622550072.

It is an arithmetic number, because the mean of its divisors is an integer number (121622550072).

Almost surely, 2^243245100143 is an apocalyptic number.

243245100143 is a deficient number, since it is larger than the sum of its proper divisors (1).

243245100143 is an equidigital number, since it uses as much as digits as its factorization.

243245100143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 243245100143 its reverse (341001542342), we get a palindrome (584246642485).

The spelling of 243245100143 in words is "two hundred forty-three billion, two hundred forty-five million, one hundred thousand, one hundred forty-three".