143011009 has 2 divisors, whose sum is σ = 143011010. Its totient is φ = 143011008.

The previous prime is 143011003. The next prime is 143011019. The reversal of 143011009 is 900110341.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138579984 + 4431025 = 11772^2 + 2105^2 .

It is a cyclic number.

It is not a de Polignac number, because 143011009 - 2¹¹ = 143008961 is a prime.

It is not a weakly prime, because it can be changed into another prime (143011003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71505504 + 71505505.

It is an arithmetic number, because the mean of its divisors is an integer number (71505505).

Almost surely, 2^143011009 is an apocalyptic number.

It is an amenable number.

143011009 is a deficient number, since it is larger than the sum of its proper divisors (1).

143011009 is an equidigital number, since it uses as much as digits as its factorization.

143011009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 143011009 is about 11958.7210436568. The cubic root of 143011009 is about 522.9455723186.

The spelling of 143011009 in words is "one hundred forty-three million, eleven thousand, nine".