243105404516 has 12 divisors (see below), whose sum is σ = 458160185532. Its totient is φ = 112202494368.

The previous prime is 243105404483. The next prime is 243105404527. The reversal of 243105404516 is 615404501342.

243105404516 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 58901348416 + 184204056100 = 242696^2 + 429190^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2337551915 + ... + 2337552018.

It is an arithmetic number, because the mean of its divisors is an integer number (38180015461).

Almost surely, 2^243105404516 is an apocalyptic number.

243105404516 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

243105404516 is a deficient number, since it is larger than the sum of its proper divisors (215054781016).

243105404516 is a wasteful number, since it uses less digits than its factorization.

243105404516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4675103950 (or 4675103948 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 243105404516 its reverse (615404501342), we get a palindrome (858509905858).

The spelling of 243105404516 in words is "two hundred forty-three billion, one hundred five million, four hundred four thousand, five hundred sixteen".