243058 has 8 divisors (see below), whose sum is σ = 371628. Its totient is φ = 119184.

The previous prime is 243031. The next prime is 243073. The reversal of 243058 is 850342.

It can be written as a sum of positive squares in 2 ways, for example, as 243049 + 9 = 493^2 + 3^2 .

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

It is a super-3 number, since 3×243058³ = 43077551935653336, which contains 333 as substring.

It is an Ulam 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 in 3 ways as a sum of consecutive naturals, for example, 1041 + ... + 1252.

2²⁴³⁰⁵⁸ is an apocalyptic number.

243058 is a deficient number, since it is larger than the sum of its proper divisors (128570).

243058 is a wasteful number, since it uses less digits than its factorization.

243058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2348.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 243058 is about 493.0091277045. The cubic root of 243058 is about 62.4074791057.

The spelling of 243058 in words is "two hundred forty-three thousand, fifty-eight".