243120454432 has 48 divisors (see below), whose sum is σ = 485532101880. Its totient is φ = 119812995072.

The previous prime is 243120454427. The next prime is 243120454457. The reversal of 243120454432 is 234454021342.

243120454432 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 188178969616 + 54941484816 = 433796^2 + 234396^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3452794 + ... + 3522502.

Almost surely, 2^243120454432 is an apocalyptic number.

It is an amenable number.

243120454432 is a deficient number, since it is larger than the sum of its proper divisors (242411647448).

243120454432 is a wasteful number, since it uses less digits than its factorization.

243120454432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71285 (or 71277 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 34.

Adding to 243120454432 its reverse (234454021342), we get a palindrome (477574475774).

The spelling of 243120454432 in words is "two hundred forty-three billion, one hundred twenty million, four hundred fifty-four thousand, four hundred thirty-two".