243155315114 has 16 divisors (see below), whose sum is σ = 365594229000. Its totient is φ = 121290645504.

The previous prime is 243155315113. The next prime is 243155315171. The reversal of 243155315114 is 411513551342.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 239624935225 + 3530379889 = 489515^2 + 59417^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (243155315113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9442184 + ... + 9467900.

Almost surely, 2^243155315114 is an apocalyptic number.

243155315114 is a deficient number, since it is larger than the sum of its proper divisors (122438913886).

243155315114 is a wasteful number, since it uses less digits than its factorization.

243155315114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36697.

The product of its digits is 36000, while the sum is 35.

Adding to 243155315114 its reverse (411513551342), we get a palindrome (654668866456).

The spelling of 243155315114 in words is "two hundred forty-three billion, one hundred fifty-five million, three hundred fifteen thousand, one hundred fourteen".