242154604538183 has 2 divisors, whose sum is σ = 242154604538184. Its totient is φ = 242154604538182.

The previous prime is 242154604538179. The next prime is 242154604538227. The reversal of 242154604538183 is 381835406451242.

242154604538183 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 242154604538183 - 2² = 242154604538179 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242154604538083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121077302269091 + 121077302269092.

It is an arithmetic number, because the mean of its divisors is an integer number (121077302269092).

Almost surely, 2^{242154604538183} is an apocalyptic number.

242154604538183 is a deficient number, since it is larger than the sum of its proper divisors (1).

242154604538183 is an equidigital number, since it uses as much as digits as its factorization.

242154604538183 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22118400, while the sum is 56.

The spelling of 242154604538183 in words is "two hundred forty-two trillion, one hundred fifty-four billion, six hundred four million, five hundred thirty-eight thousand, one hundred eighty-three".