243115146163 has 2 divisors, whose sum is σ = 243115146164. Its totient is φ = 243115146162.

The previous prime is 243115146121. The next prime is 243115146191. The reversal of 243115146163 is 361641511342.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-243115146163 is a prime.

It is not a weakly prime, because it can be changed into another prime (243115146193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121557573081 + 121557573082.

It is an arithmetic number, because the mean of its divisors is an integer number (121557573082).

Almost surely, 2^243115146163 is an apocalyptic number.

243115146163 is a deficient number, since it is larger than the sum of its proper divisors (1).

243115146163 is an equidigital number, since it uses as much as digits as its factorization.

243115146163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 37.

The spelling of 243115146163 in words is "two hundred forty-three billion, one hundred fifteen million, one hundred forty-six thousand, one hundred sixty-three".