243134 has 8 divisors (see below), whose sum is σ = 386208. Its totient is φ = 114400.

The previous prime is 243121. The next prime is 243137. The reversal of 243134 is 431342.

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

It is a super-2 number, since 2×243134² = 118228283912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3542 + ... + 3609.

It is an arithmetic number, because the mean of its divisors is an integer number (48276).

2²⁴³¹³⁴ is an apocalyptic number.

243134 is a deficient number, since it is larger than the sum of its proper divisors (143074).

243134 is a wasteful number, since it uses less digits than its factorization.

243134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7170.

The product of its digits is 288, while the sum is 17.

The square root of 243134 is about 493.0861993607. The cubic root of 243134 is about 62.4139830049.

Adding to 243134 its reverse (431342), we get a palindrome (674476).

It can be divided in two parts, 2 and 43134, that multiplied together give a palindrome (86268).

The spelling of 243134 in words is "two hundred forty-three thousand, one hundred thirty-four".