243155314401 has 8 divisors (see below), whose sum is σ = 324495787680. Its totient is φ = 161959192032.

The previous prime is 243155314397. The next prime is 243155314417. The reversal of 243155314401 is 104413551342.

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

It is not a de Polignac number, because 243155314401 - 2² = 243155314397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243155314901) 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, 36083796 + ... + 36090533.

It is an arithmetic number, because the mean of its divisors is an integer number (40561973460).

Almost surely, 2^243155314401 is an apocalyptic number.

It is an amenable number.

243155314401 is a deficient number, since it is larger than the sum of its proper divisors (81340473279).

243155314401 is a wasteful number, since it uses less digits than its factorization.

243155314401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72175455.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 243155314401 its reverse (104413551342), we get a palindrome (347568865743).

The spelling of 243155314401 in words is "two hundred forty-three billion, one hundred fifty-five million, three hundred fourteen thousand, four hundred one".