241256143 has 2 divisors, whose sum is σ = 241256144. Its totient is φ = 241256142.

The previous prime is 241256089. The next prime is 241256153. The reversal of 241256143 is 341652142.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-241256143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241256153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120628071 + 120628072.

It is an arithmetic number, because the mean of its divisors is an integer number (120628072).

Almost surely, 2^241256143 is an apocalyptic number.

241256143 is a deficient number, since it is larger than the sum of its proper divisors (1).

241256143 is an equidigital number, since it uses as much as digits as its factorization.

241256143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 28.

The square root of 241256143 is about 15532.4223159171. The cubic root of 241256143 is about 622.5288174484.

The spelling of 241256143 in words is "two hundred forty-one million, two hundred fifty-six thousand, one hundred forty-three".