2143045147 has 2 divisors, whose sum is σ = 2143045148. Its totient is φ = 2143045146.

The previous prime is 2143045067. The next prime is 2143045187. The reversal of 2143045147 is 7415403412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2143045147 - 2⁷ = 2143045019 is a prime.

It is not a weakly prime, because it can be changed into another prime (2143045187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071522573 + 1071522574.

It is an arithmetic number, because the mean of its divisors is an integer number (1071522574).

Almost surely, 2^2143045147 is an apocalyptic number.

2143045147 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143045147 is an equidigital number, since it uses as much as digits as its factorization.

2143045147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 2143045147 is about 46293.0356209225. The cubic root of 2143045147 is about 1289.2696919908.

Adding to 2143045147 its reverse (7415403412), we get a palindrome (9558448559).

The spelling of 2143045147 in words is "two billion, one hundred forty-three million, forty-five thousand, one hundred forty-seven".