143001 has 6 divisors (see below), whose sum is σ = 206570. Its totient is φ = 95328.

The previous prime is 142993. The next prime is 143053. The reversal of 143001 is 100341.

143001 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 only one way, i.e., 104976 + 38025 = 324^2 + 195^2 .

It is not a de Polignac number, because 143001 - 2³ = 142993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 15889 = 143001 / (1 + 4 + 3 + 0 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7936 + ... + 7953.

2¹⁴³⁰⁰¹ is an apocalyptic number.

It is an amenable number.

143001 is a deficient number, since it is larger than the sum of its proper divisors (63569).

143001 is a wasteful number, since it uses less digits than its factorization.

143001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15895 (or 15892 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 143001 is about 378.1547302362. The cubic root of 143001 is about 52.2933372129.

Adding to 143001 its reverse (100341), we get a palindrome (243342).

The spelling of 143001 in words is "one hundred forty-three thousand, one", and thus it is an iban number.