2345043161 has 2 divisors, whose sum is σ = 2345043162. Its totient is φ = 2345043160.

The previous prime is 2345043133. The next prime is 2345043203. The reversal of 2345043161 is 1613405432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2213137936 + 131905225 = 47044^2 + 11485^2 .

It is a cyclic number.

It is not a de Polignac number, because 2345043161 - 2⁶ = 2345043097 is a prime.

It is not a weakly prime, because it can be changed into another prime (2345043101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1172521580 + 1172521581.

It is an arithmetic number, because the mean of its divisors is an integer number (1172521581).

Almost surely, 2^2345043161 is an apocalyptic number.

It is an amenable number.

2345043161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2345043161 is an equidigital number, since it uses as much as digits as its factorization.

2345043161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 2345043161 is about 48425.6456952305. The cubic root of 2345043161 is about 1328.5674667600.

Adding to 2345043161 its reverse (1613405432), we get a palindrome (3958448593).

The spelling of 2345043161 in words is "two billion, three hundred forty-five million, forty-three thousand, one hundred sixty-one".