243145033414205 has 32 divisors (see below), whose sum is σ = 332772976698624. Its totient is φ = 168955054765056.

The previous prime is 243145033414093. The next prime is 243145033414237. The reversal of 243145033414205 is 502414330541342.

It is a cyclic number.

It is not a de Polignac number, because 243145033414205 - 2²⁰ = 243145032365629 is a prime.

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, 18441719 + ... + 28746948.

It is an arithmetic number, because the mean of its divisors is an integer number (10399155521832).

Almost surely, 2^{243145033414205} is an apocalyptic number.

It is an amenable number.

243145033414205 is a deficient number, since it is larger than the sum of its proper divisors (89627943284419).

243145033414205 is a wasteful number, since it uses less digits than its factorization.

243145033414205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47193365.

The product of its (nonzero) digits is 691200, while the sum is 41.

Adding to 243145033414205 its reverse (502414330541342), we get a palindrome (745559363955547).

The spelling of 243145033414205 in words is "two hundred forty-three trillion, one hundred forty-five billion, thirty-three million, four hundred fourteen thousand, two hundred five".