243346132 has 12 divisors (see below), whose sum is σ = 427685076. Its totient is φ = 121150400.

The previous prime is 243346121. The next prime is 243346189. The reversal of 243346132 is 231643342.

It can be written as a sum of positive squares in 2 ways, for example, as 125753796 + 117592336 = 11214^2 + 10844^2 .

It is a super-2 number, since 2×243346132² = 118434679918722848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 243346132.

It is a congruent 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, 129619 + ... + 131482.

It is an arithmetic number, because the mean of its divisors is an integer number (35640423).

Almost surely, 2^243346132 is an apocalyptic number.

It is an amenable number.

243346132 is a deficient number, since it is larger than the sum of its proper divisors (184338944).

243346132 is a wasteful number, since it uses less digits than its factorization.

243346132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261338 (or 261336 counting only the distinct ones).

The product of its digits is 10368, while the sum is 28.

The square root of 243346132 is about 15599.5555064880. Note that the first 4 decimals coincide. The cubic root of 243346132 is about 624.3212958839.

Adding to 243346132 its reverse (231643342), we get a palindrome (474989474).

The spelling of 243346132 in words is "two hundred forty-three million, three hundred forty-six thousand, one hundred thirty-two".