143121163 has 2 divisors, whose sum is σ = 143121164. Its totient is φ = 143121162.

The previous prime is 143121149. The next prime is 143121169. The reversal of 143121163 is 361121341.

143121163 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 is a cyclic number.

It is not a de Polignac number, because 143121163 - 2⁵ = 143121131 is a prime.

It is not a weakly prime, because it can be changed into another prime (143121169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71560581 + 71560582.

It is an arithmetic number, because the mean of its divisors is an integer number (71560582).

Almost surely, 2^143121163 is an apocalyptic number.

143121163 is a deficient number, since it is larger than the sum of its proper divisors (1).

143121163 is an equidigital number, since it uses as much as digits as its factorization.

143121163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 22.

The square root of 143121163 is about 11963.3257499744. The cubic root of 143121163 is about 523.0798038564.

The spelling of 143121163 in words is "one hundred forty-three million, one hundred twenty-one thousand, one hundred sixty-three".