143243 has 2 divisors, whose sum is σ = 143244. Its totient is φ = 143242.

The previous prime is 143239. The next prime is 143249. The reversal of 143243 is 342341.

It is a weak prime.

It is an emirp because it is prime and its reverse (342341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 143243 - 2² = 143239 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (143249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71621 + 71622.

It is an arithmetic number, because the mean of its divisors is an integer number (71622).

2¹⁴³²⁴³ is an apocalyptic number.

143243 is a deficient number, since it is larger than the sum of its proper divisors (1).

143243 is an equidigital number, since it uses as much as digits as its factorization.

143243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 17.

The square root of 143243 is about 378.4745698194. The cubic root of 143243 is about 52.3228191877.

Adding to 143243 its reverse (342341), we get a palindrome (485584).

The spelling of 143243 in words is "one hundred forty-three thousand, two hundred forty-three", and thus it is an iban number.