243045132 has 24 divisors (see below), whose sum is σ = 618660672. Its totient is φ = 73650000.

The previous prime is 243045097. The next prime is 243045133. The reversal of 243045132 is 231540342.

243045132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (243045133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 920494 + ... + 920757.

It is an arithmetic number, because the mean of its divisors is an integer number (25777528).

Almost surely, 2^243045132 is an apocalyptic number.

243045132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

243045132 is an abundant number, since it is smaller than the sum of its proper divisors (375615540).

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

243045132 is a wasteful number, since it uses less digits than its factorization.

243045132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1841269 (or 1841267 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 243045132 is about 15589.9048104855. The cubic root of 243045132 is about 624.0637775871.

Adding to 243045132 its reverse (231540342), we get a palindrome (474585474).

The spelling of 243045132 in words is "two hundred forty-three million, forty-five thousand, one hundred thirty-two".