243120444045 has 32 divisors (see below), whose sum is σ = 398080438272. Its totient is φ = 126635621952.

The previous prime is 243120444031. The next prime is 243120444103. The reversal of 243120444045 is 540444021342.

243120444045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 243120444045 - 2¹⁰ = 243120443021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243120443997 and 243120444015.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 10917112 + ... + 10939358.

It is an arithmetic number, because the mean of its divisors is an integer number (12440013696).

Almost surely, 2^243120444045 is an apocalyptic number.

It is an amenable number.

243120444045 is a deficient number, since it is larger than the sum of its proper divisors (154959994227).

243120444045 is a wasteful number, since it uses less digits than its factorization.

243120444045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39241.

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 243120444045 its reverse (540444021342), we get a palindrome (783564465387).

The spelling of 243120444045 in words is "two hundred forty-three billion, one hundred twenty million, four hundred forty-four thousand, forty-five".