243043134 has 16 divisors (see below), whose sum is σ = 492745872. Its totient is φ = 79904448.

The previous prime is 243043133. The next prime is 243043183. The reversal of 243043134 is 431340342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243043133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277009 + ... + 277884.

It is an arithmetic number, because the mean of its divisors is an integer number (30796617).

Almost surely, 2^243043134 is an apocalyptic number.

243043134 is an abundant number, since it is smaller than the sum of its proper divisors (249702738).

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

243043134 is a wasteful number, since it uses less digits than its factorization.

243043134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554971.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 243043134 is about 15589.8407304244. The cubic root of 243043134 is about 624.0620675030.

Adding to 243043134 its reverse (431340342), we get a palindrome (674383476).

The spelling of 243043134 in words is "two hundred forty-three million, forty-three thousand, one hundred thirty-four".