243045234 has 24 divisors (see below), whose sum is σ = 530749440. Its totient is φ = 80376408.

The previous prime is 243045233. The next prime is 243045241. The reversal of 243045234 is 432540342.

It is a super-2 number, since 2×243045234² = 118141971540229512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243045198 and 243045207.

It is not an unprimeable number, because it can be changed into a prime (243045233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50874 + ... + 55445.

It is an arithmetic number, because the mean of its divisors is an integer number (22114560).

Almost surely, 2^243045234 is an apocalyptic number.

243045234 is an abundant number, since it is smaller than the sum of its proper divisors (287704206).

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

243045234 is a wasteful number, since it uses less digits than its factorization.

243045234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106454 (or 106451 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 243045234 is about 15589.9080818329. The cubic root of 243045234 is about 624.0638648884.

Adding to 243045234 its reverse (432540342), we get a palindrome (675585576).

The spelling of 243045234 in words is "two hundred forty-three million, forty-five thousand, two hundred thirty-four".