143546 has 8 divisors (see below), whose sum is σ = 231924. Its totient is φ = 66240.

The previous prime is 143537. The next prime is 143551. The reversal of 143546 is 645341.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 130321 + 13225 = 361^2 + 115^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2735 + ... + 2786.

2¹⁴³⁵⁴⁶ is an apocalyptic number.

143546 is a deficient number, since it is larger than the sum of its proper divisors (88378).

143546 is a wasteful number, since it uses less digits than its factorization.

143546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5536.

The product of its digits is 1440, while the sum is 23.

The square root of 143546 is about 378.8746494555. The cubic root of 143546 is about 52.3596857917.

Adding to 143546 its reverse (645341), we get a palindrome (788887).

The spelling of 143546 in words is "one hundred forty-three thousand, five hundred forty-six".