243214351045 has 4 divisors (see below), whose sum is σ = 291857221260. Its totient is φ = 194571480832.

The previous prime is 243214351033. The next prime is 243214351103. The reversal of 243214351045 is 540153412342.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25029138436 + 218185212609 = 158206^2 + 467103^2 .

It is a cyclic number.

It is not a de Polignac number, because 243214351045 - 2⁷ = 243214350917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243214351045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24321435100 + ... + 24321435109.

It is an arithmetic number, because the mean of its divisors is an integer number (72964305315).

Almost surely, 2^243214351045 is an apocalyptic number.

It is an amenable number.

243214351045 is a deficient number, since it is larger than the sum of its proper divisors (48642870215).

243214351045 is an equidigital number, since it uses as much as digits as its factorization.

243214351045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48642870214.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 243214351045 its reverse (540153412342), we get a palindrome (783367763387).

The spelling of 243214351045 in words is "two hundred forty-three billion, two hundred fourteen million, three hundred fifty-one thousand, forty-five".