143166983 has 2 divisors, whose sum is σ = 143166984. Its totient is φ = 143166982.

The previous prime is 143166977. The next prime is 143167001. The reversal of 143166983 is 389661341.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 143166983 - 2¹⁴ = 143150599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 143166983.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143166923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71583491 + 71583492.

It is an arithmetic number, because the mean of its divisors is an integer number (71583492).

Almost surely, 2^143166983 is an apocalyptic number.

143166983 is a deficient number, since it is larger than the sum of its proper divisors (1).

143166983 is an equidigital number, since it uses as much as digits as its factorization.

143166983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 41.

The square root of 143166983 is about 11965.2406160511. The cubic root of 143166983 is about 523.1356189407.

The spelling of 143166983 in words is "one hundred forty-three million, one hundred sixty-six thousand, nine hundred eighty-three".