143280 has 60 divisors (see below), whose sum is σ = 483600. Its totient is φ = 38016.

The previous prime is 143263. The next prime is 143281. The reversal of 143280 is 82341.

It is a happy number.

143280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (60).

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

It is an Ulam number.

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 143280.

It is not an unprimeable number, because it can be changed into a prime (143281) by changing a digit.

143280 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, 621 + ... + 819.

It is an arithmetic number, because the mean of its divisors is an integer number (8060).

2¹⁴³²⁸⁰ is an apocalyptic number.

143280 is a gapful number since it is divisible by the number (10) 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 143280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241800).

143280 is an abundant number, since it is smaller than the sum of its proper divisors (340320).

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

143280 is a wasteful number, since it uses less digits than its factorization.

143280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 209 counting only the distinct ones).

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

The square root of 143280 is about 378.5234470941. The cubic root of 143280 is about 52.3273238352.

The spelling of 143280 in words is "one hundred forty-three thousand, two hundred eighty".