242126156143 has 2 divisors, whose sum is σ = 242126156144. Its totient is φ = 242126156142.

The previous prime is 242126156137. The next prime is 242126156147. The reversal of 242126156143 is 341651621242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242126156143 - 2²⁵ = 242092601711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242126156147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121063078071 + 121063078072.

It is an arithmetic number, because the mean of its divisors is an integer number (121063078072).

Almost surely, 2^242126156143 is an apocalyptic number.

242126156143 is a deficient number, since it is larger than the sum of its proper divisors (1).

242126156143 is an equidigital number, since it uses as much as digits as its factorization.

242126156143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 37.

Adding to 242126156143 its reverse (341651621242), we get a palindrome (583777777385).

The spelling of 242126156143 in words is "two hundred forty-two billion, one hundred twenty-six million, one hundred fifty-six thousand, one hundred forty-three".