243112063074157 has 2 divisors, whose sum is σ = 243112063074158. Its totient is φ = 243112063074156.

The previous prime is 243112063074037. The next prime is 243112063074187. The reversal of 243112063074157 is 751470360211342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 241762258274436 + 1349804799721 = 15548706^2 + 1161811^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243112063074157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243112063074187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121556031537078 + 121556031537079.

It is an arithmetic number, because the mean of its divisors is an integer number (121556031537079).

Almost surely, 2^{243112063074157} is an apocalyptic number.

It is an amenable number.

243112063074157 is a deficient number, since it is larger than the sum of its proper divisors (1).

243112063074157 is an equidigital number, since it uses as much as digits as its factorization.

243112063074157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 243112063074157 in words is "two hundred forty-three trillion, one hundred twelve billion, sixty-three million, seventy-four thousand, one hundred fifty-seven".