143213093 has 2 divisors, whose sum is σ = 143213094. Its totient is φ = 143213092.

The previous prime is 143213071. The next prime is 143213099. The reversal of 143213093 is 390312341.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111154849 + 32058244 = 10543^2 + 5662^2 .

It is an emirp because it is prime and its reverse (390312341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 143213093 - 2¹² = 143208997 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143213099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71606546 + 71606547.

It is an arithmetic number, because the mean of its divisors is an integer number (71606547).

Almost surely, 2^143213093 is an apocalyptic number.

It is an amenable number.

143213093 is a deficient number, since it is larger than the sum of its proper divisors (1).

143213093 is an equidigital number, since it uses as much as digits as its factorization.

143213093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 143213093 is about 11967.1672922208. The cubic root of 143213093 is about 523.1917752641.

The spelling of 143213093 in words is "one hundred forty-three million, two hundred thirteen thousand, ninety-three".