242544217151 has 2 divisors, whose sum is σ = 242544217152. Its totient is φ = 242544217150.

The previous prime is 242544217141. The next prime is 242544217163. The reversal of 242544217151 is 151712445242.

242544217151 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 a de Polignac number, because none of the positive numbers 2^k-242544217151 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242544217141) 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, 121272108575 + 121272108576.

It is an arithmetic number, because the mean of its divisors is an integer number (121272108576).

Almost surely, 2^242544217151 is an apocalyptic number.

242544217151 is a deficient number, since it is larger than the sum of its proper divisors (1).

242544217151 is an equidigital number, since it uses as much as digits as its factorization.

242544217151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 89600, while the sum is 38.

The spelling of 242544217151 in words is "two hundred forty-two billion, five hundred forty-four million, two hundred seventeen thousand, one hundred fifty-one".