143347643 has 2 divisors, whose sum is σ = 143347644. Its totient is φ = 143347642.

The previous prime is 143347597. The next prime is 143347693. The reversal of 143347643 is 346743341.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 143347643 - 2²⁰ = 142299067 is a prime.

It is not a weakly prime, because it can be changed into another prime (143347693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71673821 + 71673822.

It is an arithmetic number, because the mean of its divisors is an integer number (71673822).

Almost surely, 2^143347643 is an apocalyptic number.

143347643 is a deficient number, since it is larger than the sum of its proper divisors (1).

143347643 is an equidigital number, since it uses as much as digits as its factorization.

143347643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 35.

The square root of 143347643 is about 11972.7876035617. The cubic root of 143347643 is about 523.3555717850.

The spelling of 143347643 in words is "one hundred forty-three million, three hundred forty-seven thousand, six hundred forty-three".