143346 has 16 divisors (see below), whose sum is σ = 327744. Its totient is φ = 40944.

The previous prime is 143333. The next prime is 143357. The reversal of 143346 is 643341.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

It is a nialpdrome in base 11.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1665 + ... + 1748.

It is an arithmetic number, because the mean of its divisors is an integer number (20484).

2¹⁴³³⁴⁶ is an apocalyptic number.

143346 is an abundant number, since it is smaller than the sum of its proper divisors (184398).

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

143346 is a wasteful number, since it uses less digits than its factorization.

143346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3425.

The product of its digits is 864, while the sum is 21.

The square root of 143346 is about 378.6106179177. The cubic root of 143346 is about 52.3353572272.

Adding to 143346 its reverse (643341), we get a palindrome (786687).

The spelling of 143346 in words is "one hundred forty-three thousand, three hundred forty-six".