143087 has 4 divisors (see below), whose sum is σ = 163536. Its totient is φ = 122640.

The previous prime is 143063. The next prime is 143093. The reversal of 143087 is 780341.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 780341 = 47 ⋅16603.

It is not a de Polignac number, because 143087 - 2¹⁴ = 126703 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 143087.

It is not an unprimeable number, because it can be changed into a prime (143287) 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, 10214 + ... + 10227.

It is an arithmetic number, because the mean of its divisors is an integer number (40884).

2¹⁴³⁰⁸⁷ is an apocalyptic number.

143087 is a deficient number, since it is larger than the sum of its proper divisors (20449).

143087 is an equidigital number, since it uses as much as digits as its factorization.

143087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20448.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 143087 is about 378.2684232129. The cubic root of 143087 is about 52.3038180854.

The spelling of 143087 in words is "one hundred forty-three thousand, eighty-seven".