243573340252245 has 32 divisors (see below), whose sum is σ = 390767134298112. Its totient is φ = 129555860370432.

The previous prime is 243573340252219. The next prime is 243573340252337. The reversal of 243573340252245 is 542252043375342.

243573340252245 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 243573340252245 - 2¹¹ = 243573340250197 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, 530439469 + ... + 530898461.

It is an arithmetic number, because the mean of its divisors is an integer number (12211472946816).

Almost surely, 2^{243573340252245} is an apocalyptic number.

It is an amenable number.

243573340252245 is a deficient number, since it is larger than the sum of its proper divisors (147193794045867).

243573340252245 is a wasteful number, since it uses less digits than its factorization.

243573340252245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554221.

The product of its (nonzero) digits is 24192000, while the sum is 51.

The spelling of 243573340252245 in words is "two hundred forty-three trillion, five hundred seventy-three billion, three hundred forty million, two hundred fifty-two thousand, two hundred forty-five".