143089213 has 2 divisors, whose sum is σ = 143089214. Its totient is φ = 143089212.

The previous prime is 143089207. The next prime is 143089217. The reversal of 143089213 is 312980341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128550244 + 14538969 = 11338^2 + 3813^2 .

It is an emirp because it is prime and its reverse (312980341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 143089213 - 2⁵ = 143089181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143089217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71544606 + 71544607.

It is an arithmetic number, because the mean of its divisors is an integer number (71544607).

Almost surely, 2^143089213 is an apocalyptic number.

It is an amenable number.

143089213 is a deficient number, since it is larger than the sum of its proper divisors (1).

143089213 is an equidigital number, since it uses as much as digits as its factorization.

143089213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 143089213 is about 11961.9903444201. The cubic root of 143089213 is about 523.0408772966.

The spelling of 143089213 in words is "one hundred forty-three million, eighty-nine thousand, two hundred thirteen".