143320 has 16 divisors (see below), whose sum is σ = 322560. Its totient is φ = 57312.

The previous prime is 143291. The next prime is 143329. The reversal of 143320 is 23341.

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 143320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143329) by changing a digit.

143320 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 3 ways as a sum of consecutive naturals, for example, 1752 + ... + 1831.

It is an arithmetic number, because the mean of its divisors is an integer number (20160).

2¹⁴³³²⁰ is an apocalyptic number.

143320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143320 is an abundant number, since it is smaller than the sum of its proper divisors (179240).

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

143320 is a wasteful number, since it uses less digits than its factorization.

143320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3594 (or 3590 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 143320 is about 378.5762802924. The cubic root of 143320 is about 52.3321928520.

Adding to 143320 its reverse (23341), we get a palindrome (166661).

The spelling of 143320 in words is "one hundred forty-three thousand, three hundred twenty", and thus it is an iban number.