143112065 has 4 divisors (see below), whose sum is σ = 171734484. Its totient is φ = 114489648.

The previous prime is 143112059. The next prime is 143112091. The reversal of 143112065 is 560211341.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43930384 + 99181681 = 6628^2 + 9959^2 .

It is a cyclic number.

It is not a de Polignac number, because 143112065 - 2⁸ = 143111809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 143112065.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 14311202 + ... + 14311211.

It is an arithmetic number, because the mean of its divisors is an integer number (42933621).

Almost surely, 2^143112065 is an apocalyptic number.

It is an amenable number.

143112065 is a deficient number, since it is larger than the sum of its proper divisors (28622419).

143112065 is an equidigital number, since it uses as much as digits as its factorization.

143112065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28622418.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 143112065 is about 11962.9454984966. The cubic root of 143112065 is about 523.0687198191.

The spelling of 143112065 in words is "one hundred forty-three million, one hundred twelve thousand, sixty-five".