143509097 has 2 divisors, whose sum is σ = 143509098. Its totient is φ = 143509096.

The previous prime is 143509043. The next prime is 143509117. The reversal of 143509097 is 790905341.

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., 115004176 + 28504921 = 10724^2 + 5339^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143509097 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 143509097.

It is not a weakly prime, because it can be changed into another prime (143509297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71754548 + 71754549.

It is an arithmetic number, because the mean of its divisors is an integer number (71754549).

Almost surely, 2^143509097 is an apocalyptic number.

It is an amenable number.

143509097 is a deficient number, since it is larger than the sum of its proper divisors (1).

143509097 is an equidigital number, since it uses as much as digits as its factorization.

143509097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 143509097 is about 11979.5282461372. The cubic root of 143509097 is about 523.5519850754.

The spelling of 143509097 in words is "one hundred forty-three million, five hundred nine thousand, ninety-seven".