2243135161 has 2 divisors, whose sum is σ = 2243135162. Its totient is φ = 2243135160.

The previous prime is 2243135093. The next prime is 2243135171. The reversal of 2243135161 is 1615313422.

2243135161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2193517225 + 49617936 = 46835^2 + 7044^2 .

It is a cyclic number.

It is not a de Polignac number, because 2243135161 - 2²⁹ = 1706264249 is a prime.

It is not a weakly prime, because it can be changed into another prime (2243135171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121567580 + 1121567581.

It is an arithmetic number, because the mean of its divisors is an integer number (1121567581).

Almost surely, 2^2243135161 is an apocalyptic number.

It is an amenable number.

2243135161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243135161 is an equidigital number, since it uses as much as digits as its factorization.

2243135161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 28.

The square root of 2243135161 is about 47361.7478668176. The cubic root of 2243135161 is about 1309.0366751889.

Adding to 2243135161 its reverse (1615313422), we get a palindrome (3858448583).

The spelling of 2243135161 in words is "two billion, two hundred forty-three million, one hundred thirty-five thousand, one hundred sixty-one".