143089 has 8 divisors (see below), whose sum is σ = 159840. Its totient is φ = 127296.

The previous prime is 143063. The next prime is 143093. The reversal of 143089 is 980341.

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

It is not a de Polignac number, because 143089 - 2¹¹ = 141041 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102 + ... + 544.

It is an arithmetic number, because the mean of its divisors is an integer number (19980).

2¹⁴³⁰⁸⁹ is an apocalyptic number.

143089 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

143089 is a deficient number, since it is larger than the sum of its proper divisors (16751).

143089 is a wasteful number, since it uses less digits than its factorization.

143089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 143089 is about 378.2710668291. The cubic root of 143089 is about 52.3040617767.

The spelling of 143089 in words is "one hundred forty-three thousand, eighty-nine".