243014740473155 has 16 divisors (see below), whose sum is σ = 352881908856000. Its totient is φ = 156836403935232.

The previous prime is 243014740473151. The next prime is 243014740473161. The reversal of 243014740473155 is 551374047410342.

It is a happy number.

It is not a de Polignac number, because 243014740473155 - 2² = 243014740473151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243014740473151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204214067030 + ... + 204214068219.

It is an arithmetic number, because the mean of its divisors is an integer number (22055119303500).

Almost surely, 2^{243014740473155} is an apocalyptic number.

243014740473155 is a deficient number, since it is larger than the sum of its proper divisors (109867168382845).

243014740473155 is a wasteful number, since it uses less digits than its factorization.

243014740473155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408428135278.

The product of its (nonzero) digits is 5644800, while the sum is 50.

Adding to 243014740473155 its reverse (551374047410342), we get a palindrome (794388787883497).

The spelling of 243014740473155 in words is "two hundred forty-three trillion, fourteen billion, seven hundred forty million, four hundred seventy-three thousand, one hundred fifty-five".