243243015452 has 12 divisors (see below), whose sum is σ = 440353735080. Its totient is φ = 117427662576.

The previous prime is 243243015451. The next prime is 243243015479. The reversal of 243243015452 is 254510342342.

It is a happy number.

243243015452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243243015451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1048461158 + ... + 1048461389.

It is an arithmetic number, because the mean of its divisors is an integer number (36696144590).

Almost surely, 2^243243015452 is an apocalyptic number.

It is an amenable number.

243243015452 is a deficient number, since it is larger than the sum of its proper divisors (197110719628).

243243015452 is a wasteful number, since it uses less digits than its factorization.

243243015452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096922580 (or 2096922578 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 243243015452 its reverse (254510342342), we get a palindrome (497753357794).

The spelling of 243243015452 in words is "two hundred forty-three billion, two hundred forty-three million, fifteen thousand, four hundred fifty-two".