143608109 has 2 divisors, whose sum is σ = 143608110. Its totient is φ = 143608108.

The previous prime is 143608103. The next prime is 143608121. The reversal of 143608109 is 901806341.

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., 88774084 + 54834025 = 9422^2 + 7405^2 .

It is an emirp because it is prime and its reverse (901806341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 143608109 - 2⁴ = 143608093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143608103) 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, 71804054 + 71804055.

It is an arithmetic number, because the mean of its divisors is an integer number (71804055).

Almost surely, 2^143608109 is an apocalyptic number.

It is an amenable number.

143608109 is a deficient number, since it is larger than the sum of its proper divisors (1).

143608109 is an equidigital number, since it uses as much as digits as its factorization.

143608109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 143608109 is about 11983.6600836305. The cubic root of 143608109 is about 523.6723630705.

The spelling of 143608109 in words is "one hundred forty-three million, six hundred eight thousand, one hundred nine".