143163489 has 8 divisors (see below), whose sum is σ = 218153920. Its totient is φ = 81807696.

The previous prime is 143163479. The next prime is 143163529. The reversal of 143163489 is 984361341.

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

It is not a de Polignac number, because 143163489 - 2⁴ = 143163473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143163479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3408634 + ... + 3408675.

It is an arithmetic number, because the mean of its divisors is an integer number (27269240).

Almost surely, 2^143163489 is an apocalyptic number.

It is an amenable number.

143163489 is a deficient number, since it is larger than the sum of its proper divisors (74990431).

143163489 is an equidigital number, since it uses as much as digits as its factorization.

143163489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6817319.

The product of its digits is 62208, while the sum is 39.

The square root of 143163489 is about 11965.0946089030. The cubic root of 143163489 is about 523.1313631859.

The spelling of 143163489 in words is "one hundred forty-three million, one hundred sixty-three thousand, four hundred eighty-nine".