143028 has 36 divisors (see below), whose sum is σ = 376740. Its totient is φ = 45696.

The previous prime is 142993. The next prime is 143053. The reversal of 143028 is 820341.

It is a happy number.

143028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 79524 + 63504 = 282^2 + 252^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 143028.

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 143028.

It is an unprimeable number.

143028 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 976 + ... + 1112.

It is an arithmetic number, because the mean of its divisors is an integer number (10465).

2¹⁴³⁰²⁸ is an apocalyptic number.

143028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188370).

143028 is an abundant number, since it is smaller than the sum of its proper divisors (233712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143028 is a wasteful number, since it uses less digits than its factorization.

143028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 143028 is about 378.1904282237. The cubic root of 143028 is about 52.2966281718.

Adding to 143028 its reverse (820341), we get a palindrome (963369).

The spelling of 143028 in words is "one hundred forty-three thousand, twenty-eight".