143207873 has 2 divisors, whose sum is σ = 143207874. Its totient is φ = 143207872.

The previous prime is 143207861. The next prime is 143207891. The reversal of 143207873 is 378702341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141538609 + 1669264 = 11897^2 + 1292^2 .

It is a cyclic number.

It is not a de Polignac number, because 143207873 - 2¹⁸ = 142945729 is a prime.

It is not a weakly prime, because it can be changed into another prime (143207173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71603936 + 71603937.

It is an arithmetic number, because the mean of its divisors is an integer number (71603937).

Almost surely, 2^143207873 is an apocalyptic number.

It is an amenable number.

143207873 is a deficient number, since it is larger than the sum of its proper divisors (1).

143207873 is an equidigital number, since it uses as much as digits as its factorization.

143207873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 143207873 is about 11966.9491935079. The cubic root of 143207873 is about 523.1854185496.

The spelling of 143207873 in words is "one hundred forty-three million, two hundred seven thousand, eight hundred seventy-three".