143104889 has 4 divisors (see below), whose sum is σ = 143675280. Its totient is φ = 142534500.

The previous prime is 143104867. The next prime is 143104891. The reversal of 143104889 is 988401341.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 988401341 = 3271 ⋅302171.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143104889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143104859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284819 + ... + 285320.

It is an arithmetic number, because the mean of its divisors is an integer number (35918820).

Almost surely, 2^143104889 is an apocalyptic number.

It is an amenable number.

143104889 is a deficient number, since it is larger than the sum of its proper divisors (570391).

143104889 is an equidigital number, since it uses as much as digits as its factorization.

143104889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570390.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 143104889 is about 11962.6455686023. The cubic root of 143104889 is about 523.0599770112.

The spelling of 143104889 in words is "one hundred forty-three million, one hundred four thousand, eight hundred eighty-nine".