143230665 has 8 divisors (see below), whose sum is σ = 229169088. Its totient is φ = 76389680.

The previous prime is 143230649. The next prime is 143230669. The reversal of 143230665 is 566032341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 143230665 - 2⁴ = 143230649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143230669) 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 in 7 ways as a sum of consecutive naturals, for example, 4774341 + ... + 4774370.

It is an arithmetic number, because the mean of its divisors is an integer number (28646136).

Almost surely, 2^143230665 is an apocalyptic number.

143230665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

143230665 is a deficient number, since it is larger than the sum of its proper divisors (85938423).

143230665 is an equidigital number, since it uses as much as digits as its factorization.

143230665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9548719.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 143230665 is about 11967.9014451156. The cubic root of 143230665 is about 523.2131726324.

The spelling of 143230665 in words is "one hundred forty-three million, two hundred thirty thousand, six hundred sixty-five".