143303497 has 2 divisors, whose sum is σ = 143303498. Its totient is φ = 143303496.

The previous prime is 143303473. The next prime is 143303519. The reversal of 143303497 is 794303341.

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., 95472441 + 47831056 = 9771^2 + 6916^2 .

It is a cyclic number.

It is not a de Polignac number, because 143303497 - 2²³ = 134914889 is a prime.

It is not a weakly prime, because it can be changed into another prime (143303417) 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, 71651748 + 71651749.

It is an arithmetic number, because the mean of its divisors is an integer number (71651749).

Almost surely, 2^143303497 is an apocalyptic number.

It is an amenable number.

143303497 is a deficient number, since it is larger than the sum of its proper divisors (1).

143303497 is an equidigital number, since it uses as much as digits as its factorization.

143303497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 143303497 is about 11970.9438642072. The cubic root of 143303497 is about 523.3018412719.

The spelling of 143303497 in words is "one hundred forty-three million, three hundred three thousand, four hundred ninety-seven".