143312 has 30 divisors (see below), whose sum is σ = 306342. Its totient is φ = 64896.

The previous prime is 143291. The next prime is 143329. The reversal of 143312 is 213341.

143312 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 3 ways, for example, as 1936 + 141376 = 44^2 + 376^2 .

It is a hoax number, since the sum of its digits (14) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 11.

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 143312.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2678 + ... + 2730.

2¹⁴³³¹² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153171).

143312 is an abundant number, since it is smaller than the sum of its proper divisors (163030).

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

143312 is a wasteful number, since it uses less digits than its factorization.

143312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 68 counting only the distinct ones).

The product of its digits is 72, while the sum is 14.

The square root of 143312 is about 378.5657142426. The cubic root of 143312 is about 52.3312191211.

Adding to 143312 its reverse (213341), we get a palindrome (356653).

The spelling of 143312 in words is "one hundred forty-three thousand, three hundred twelve", and thus it is an iban number.