243011543114045 has 4 divisors (see below), whose sum is σ = 291613851736860. Its totient is φ = 194409234491232.

The previous prime is 243011543114029. The next prime is 243011543114161. The reversal of 243011543114045 is 540411345110342.

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 191125150339204 + 51886392774841 = 13824802^2 + 7203221^2 .

It is a cyclic number.

It is not a de Polignac number, because 243011543114045 - 2⁴ = 243011543114029 is a prime.

It is a super-2 number, since 2×243011543114045² (a number of 30 digits) contains 22 as substring.

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, 24301154311400 + ... + 24301154311409.

It is an arithmetic number, because the mean of its divisors is an integer number (72903462934215).

Almost surely, 2^{243011543114045} is an apocalyptic number.

It is an amenable number.

243011543114045 is a deficient number, since it is larger than the sum of its proper divisors (48602308622815).

243011543114045 is an equidigital number, since it uses as much as digits as its factorization.

243011543114045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48602308622814.

The product of its (nonzero) digits is 115200, while the sum is 38.

Adding to 243011543114045 its reverse (540411345110342), we get a palindrome (783422888224387).

The spelling of 243011543114045 in words is "two hundred forty-three trillion, eleven billion, five hundred forty-three million, one hundred fourteen thousand, forty-five".