243311141154154 has 4 divisors (see below), whose sum is σ = 364966711731234. Its totient is φ = 121655570577076.

The previous prime is 243311141154149. The next prime is 243311141154161. The reversal of 243311141154154 is 451451141113342.

243311141154154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 243259328013529 + 51813140625 = 15596773^2 + 227625^2 .

It is a super-2 number, since 2×243311141154154² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60827785288537 + ... + 60827785288540.

Almost surely, 2^{243311141154154} is an apocalyptic number.

243311141154154 is a deficient number, since it is larger than the sum of its proper divisors (121655570577080).

243311141154154 is a wasteful number, since it uses less digits than its factorization.

243311141154154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121655570577079.

The product of its digits is 115200, while the sum is 40.

Adding to 243311141154154 its reverse (451451141113342), we get a palindrome (694762282267496).

The spelling of 243311141154154 in words is "two hundred forty-three trillion, three hundred eleven billion, one hundred forty-one million, one hundred fifty-four thousand, one hundred fifty-four".