143398271 has 2 divisors, whose sum is σ = 143398272. Its totient is φ = 143398270.

The previous prime is 143398259. The next prime is 143398289. The reversal of 143398271 is 172893341.

143398271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 143398271 - 2¹⁸ = 143136127 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143398471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71699135 + 71699136.

It is an arithmetic number, because the mean of its divisors is an integer number (71699136).

Almost surely, 2^143398271 is an apocalyptic number.

143398271 is a deficient number, since it is larger than the sum of its proper divisors (1).

143398271 is an equidigital number, since it uses as much as digits as its factorization.

143398271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 38.

The square root of 143398271 is about 11974.9017114964. The cubic root of 143398271 is about 523.4171780232.

The spelling of 143398271 in words is "one hundred forty-three million, three hundred ninety-eight thousand, two hundred seventy-one".