143487 has 12 divisors (see below), whose sum is σ = 210600. Its totient is φ = 94128.

The previous prime is 143483. The next prime is 143489. The reversal of 143487 is 784341.

It is not a de Polignac number, because 143487 - 2² = 143483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 143487.

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 143487.

It is not an unprimeable number, because it can be changed into a prime (143483) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 889 + ... + 1037.

It is an arithmetic number, because the mean of its divisors is an integer number (17550).

2¹⁴³⁴⁸⁷ is an apocalyptic number.

143487 is a deficient number, since it is larger than the sum of its proper divisors (67113).

143487 is a wasteful number, since it uses less digits than its factorization.

143487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 259 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 143487 is about 378.7967792894. The cubic root of 143487 is about 52.3525112163.

It can be divided in two parts, 1434 and 87, that added together give a square (1521 = 39²).

The spelling of 143487 in words is "one hundred forty-three thousand, four hundred eighty-seven".