243046 has 4 divisors (see below), whose sum is σ = 364572. Its totient is φ = 121522.

The previous prime is 243031. The next prime is 243073. The reversal of 243046 is 640342.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 60760 + ... + 60763.

It is an arithmetic number, because the mean of its divisors is an integer number (91143).

2²⁴³⁰⁴⁶ is an apocalyptic number.

243046 is a deficient number, since it is larger than the sum of its proper divisors (121526).

243046 is a wasteful number, since it uses less digits than its factorization.

243046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121525.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 243046 is about 492.9969573943. The cubic root of 243046 is about 62.4064520504.

Adding to 243046 its reverse (640342), we get a palindrome (883388).

It can be divided in two parts, 24304 and 6, that added together give a triangular number (24310 = T₂₂₀).

The spelling of 243046 in words is "two hundred forty-three thousand, forty-six".