219143 has 2 divisors, whose sum is σ = 219144. Its totient is φ = 219142.

The previous prime is 219133. The next prime is 219169. The reversal of 219143 is 341912.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 219143 - 2⁸ = 218887 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 219143.

It is not a weakly prime, because it can be changed into another prime (219103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109571 + 109572.

It is an arithmetic number, because the mean of its divisors is an integer number (109572).

2²¹⁹¹⁴³ is an apocalyptic number.

219143 is a deficient number, since it is larger than the sum of its proper divisors (1).

219143 is an equidigital number, since it uses as much as digits as its factorization.

219143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 20.

The square root of 219143 is about 468.1271194879. The cubic root of 219143 is about 60.2896182900.

The spelling of 219143 in words is "two hundred nineteen thousand, one hundred forty-three".