143284 has 12 divisors (see below), whose sum is σ = 253764. Its totient is φ = 70784.

The previous prime is 143281. The next prime is 143287. The reversal of 143284 is 482341.

It is an interprime number because it is at equal distance from previous prime (143281) and next prime (143287).

It can be written as a sum of positive squares in 2 ways, for example, as 4900 + 138384 = 70^2 + 372^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143281) 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, 294 + ... + 610.

It is an arithmetic number, because the mean of its divisors is an integer number (21147).

2¹⁴³²⁸⁴ is an apocalyptic number.

It is an amenable number.

143284 is a deficient number, since it is larger than the sum of its proper divisors (110480).

143284 is a wasteful number, since it uses less digits than its factorization.

143284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434 (or 432 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 143284 is about 378.5287307458. The cubic root of 143284 is about 52.3278107776.

The spelling of 143284 in words is "one hundred forty-three thousand, two hundred eighty-four".