243114403505 has 8 divisors (see below), whose sum is σ = 308898301032. Its totient is φ = 183050844928.

The previous prime is 243114403487. The next prime is 243114403513. The reversal of 243114403505 is 505304411342.

It can be written as a sum of positive squares in 4 ways, for example, as 56659709089 + 186454694416 = 238033^2 + 431804^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243114403505 - 2³⁴ = 225934534321 is a prime.

It is a super-2 number, since 2×243114403505² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1430084642 + ... + 1430084811.

It is an arithmetic number, because the mean of its divisors is an integer number (38612287629).

Almost surely, 2^243114403505 is an apocalyptic number.

It is an amenable number.

243114403505 is a deficient number, since it is larger than the sum of its proper divisors (65783897527).

243114403505 is a wasteful number, since it uses less digits than its factorization.

243114403505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860169475.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 243114403505 its reverse (505304411342), we get a palindrome (748418814847).

The spelling of 243114403505 in words is "two hundred forty-three billion, one hundred fourteen million, four hundred three thousand, five hundred five".