243412146 has 24 divisors (see below), whose sum is σ = 537345900. Its totient is φ = 79606176.

The previous prime is 243412133. The next prime is 243412163. The reversal of 243412146 is 641214342.

It is a happy number.

243412146 is a `hidden beast` number, since 243 + 412 + 1 + 4 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 223831521 + 19580625 = 14961^2 + 4425^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126621 + ... + 128528.

Almost surely, 2^243412146 is an apocalyptic number.

243412146 is an abundant number, since it is smaller than the sum of its proper divisors (293933754).

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

243412146 is a wasteful number, since it uses less digits than its factorization.

243412146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255210 (or 255207 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 243412146 is about 15601.6712566315. The cubic root of 243412146 is about 624.3777452707.

Adding to 243412146 its reverse (641214342), we get a palindrome (884626488).

The spelling of 243412146 in words is "two hundred forty-three million, four hundred twelve thousand, one hundred forty-six".