243034452 has 96 divisors (see below), whose sum is σ = 656409600. Its totient is φ = 77698656.

The previous prime is 243034427. The next prime is 243034469. The reversal of 243034452 is 254430342.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 273553 + ... + 274439.

It is an arithmetic number, because the mean of its divisors is an integer number (6837600).

Almost surely, 2^243034452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243034452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328204800).

243034452 is an abundant number, since it is smaller than the sum of its proper divisors (413375148).

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

243034452 is a wasteful number, since it uses less digits than its factorization.

243034452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002 (or 994 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 243034452 is about 15589.5622773701. The cubic root of 243034452 is about 624.0546364882.

Adding to 243034452 its reverse (254430342), we get a palindrome (497464794).

The spelling of 243034452 in words is "two hundred forty-three million, thirty-four thousand, four hundred fifty-two".