143361 has 12 divisors (see below), whose sum is σ = 219492. Its totient is φ = 89856.

The previous prime is 143357. The next prime is 143387. The reversal of 143361 is 163341.

143361 is nontrivially palindromic in base 11.

143361 is an esthetic number in base 11, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in 2 ways, for example, as 53361 + 90000 = 231^2 + 300^2 .

It is not a de Polignac number, because 143361 - 2² = 143357 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 316 + ... + 621.

It is an arithmetic number, because the mean of its divisors is an integer number (18291).

It is a Proth number, since it is equal to 35 ⋅ 2¹² + 1 and 35 < 2¹².

2¹⁴³³⁶¹ is an apocalyptic number.

It is an amenable number.

143361 is a deficient number, since it is larger than the sum of its proper divisors (76131).

143361 is a wasteful number, since it uses less digits than its factorization.

143361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960 (or 957 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 143361 is about 378.6304266696. The cubic root of 143361 is about 52.3371826542.

It can be divided in two parts, 14 and 3361, that added together give a cube (3375 = 15³).

The spelling of 143361 in words is "one hundred forty-three thousand, three hundred sixty-one".