143443 has 2 divisors, whose sum is σ = 143444. Its totient is φ = 143442.

The previous prime is 143419. The next prime is 143461. The reversal of 143443 is 344341.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143443 is a prime.

It is equal to p₁₃₂₉₄ and since 143443 and 13294 have the same sum of digits, it is a Honaker prime.

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 143443.

It is not a weakly prime, because it can be changed into another prime (143413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71721 + 71722.

It is an arithmetic number, because the mean of its divisors is an integer number (71722).

2¹⁴³⁴⁴³ is an apocalyptic number.

143443 is a deficient number, since it is larger than the sum of its proper divisors (1).

143443 is an equidigital number, since it uses as much as digits as its factorization.

143443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 19.

The square root of 143443 is about 378.7386962010. The cubic root of 143443 is about 52.3471594052.

Adding to 143443 its reverse (344341), we get a palindrome (487784).

The spelling of 143443 in words is "one hundred forty-three thousand, four hundred forty-three", and thus it is an iban number.