243102145345 has 12 divisors (see below), whose sum is σ = 307884492180. Its totient is φ = 184245835104.

The previous prime is 243102145333. The next prime is 243102145357. The reversal of 243102145345 is 543541201342.

It is an interprime number because it is at equal distance from previous prime (243102145333) and next prime (243102145357).

It can be written as a sum of positive squares in 2 ways, for example, as 108131141889 + 134971003456 = 328833^2 + 367384^2 .

It is not a de Polignac number, because 243102145345 - 2²⁵ = 243068590913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 243102145345.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67339510 + ... + 67343119.

It is an arithmetic number, because the mean of its divisors is an integer number (25657041015).

Almost surely, 2^243102145345 is an apocalyptic number.

It is an amenable number.

243102145345 is a deficient number, since it is larger than the sum of its proper divisors (64782346835).

243102145345 is a wasteful number, since it uses less digits than its factorization.

243102145345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134682672 (or 134682653 counting only the distinct ones).

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

Adding to 243102145345 its reverse (543541201342), we get a palindrome (786643346687).

The spelling of 243102145345 in words is "two hundred forty-three billion, one hundred two million, one hundred forty-five thousand, three hundred forty-five".