243112132 has 12 divisors (see below), whose sum is σ = 429423120. Its totient is φ = 120419816.

The previous prime is 243112109. The next prime is 243112157. The reversal of 243112132 is 231211342.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283582 + ... + 284437.

It is an arithmetic number, because the mean of its divisors is an integer number (35785260).

Almost surely, 2^243112132 is an apocalyptic number.

It is an amenable number.

243112132 is a deficient number, since it is larger than the sum of its proper divisors (186310988).

243112132 is a wasteful number, since it uses less digits than its factorization.

243112132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568130 (or 568128 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 243112132 is about 15592.0534888770. The cubic root of 243112132 is about 624.1211173237.

Adding to 243112132 its reverse (231211342), we get a palindrome (474323474).

The spelling of 243112132 in words is "two hundred forty-three million, one hundred twelve thousand, one hundred thirty-two".