243047132 has 12 divisors (see below), whose sum is σ = 425653200. Its totient is φ = 121431936.

The previous prime is 243047093. The next prime is 243047159. The reversal of 243047132 is 231740342.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 16757 + ... + 27692.

It is an arithmetic number, because the mean of its divisors is an integer number (35471100).

Almost surely, 2^243047132 is an apocalyptic number.

It is an amenable number.

243047132 is a deficient number, since it is larger than the sum of its proper divisors (182606068).

243047132 is a wasteful number, since it uses less digits than its factorization.

243047132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45820 (or 45818 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 243047132 is about 15589.9689544271. The cubic root of 243047132 is about 624.0654893736.

Adding to 243047132 its reverse (231740342), we get a palindrome (474787474).

The spelling of 243047132 in words is "two hundred forty-three million, forty-seven thousand, one hundred thirty-two".