243111352045 has 8 divisors (see below), whose sum is σ = 291736610424. Its totient is φ = 194487089664.

The previous prime is 243111352027. The next prime is 243111352109. The reversal of 243111352045 is 540253111342.

It can be written as a sum of positive squares in 4 ways, for example, as 130162929961 + 112948422084 = 360781^2 + 336078^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243111352045 - 2⁹ = 243111351533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243111351998 and 243111352016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484357 + ... + 849013.

It is an arithmetic number, because the mean of its divisors is an integer number (36467076303).

Almost surely, 2^243111352045 is an apocalyptic number.

It is an amenable number.

243111352045 is a deficient number, since it is larger than the sum of its proper divisors (48625258379).

243111352045 is a wasteful number, since it uses less digits than its factorization.

243111352045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497999.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 243111352045 its reverse (540253111342), we get a palindrome (783364463387).

The spelling of 243111352045 in words is "two hundred forty-three billion, one hundred eleven million, three hundred fifty-two thousand, forty-five".