243145526241 has 8 divisors (see below), whose sum is σ = 324196312960. Its totient is φ = 162095878512.

The previous prime is 243145526227. The next prime is 243145526291. The reversal of 243145526241 is 142625541342.

243145526241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 243145526241 - 2⁹ = 243145525729 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 243145526241.

It is not an unprimeable number, because it can be changed into a prime (243145526291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 692136 + ... + 982518.

It is an arithmetic number, because the mean of its divisors is an integer number (40524539120).

Almost surely, 2^243145526241 is an apocalyptic number.

It is an amenable number.

243145526241 is a deficient number, since it is larger than the sum of its proper divisors (81050786719).

243145526241 is a wasteful number, since it uses less digits than its factorization.

243145526241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569495.

The product of its digits is 230400, while the sum is 39.

It can be divided in two parts, 24314 and 5526241, that added together give a palindrome (5550555).

The spelling of 243145526241 in words is "two hundred forty-three billion, one hundred forty-five million, five hundred twenty-six thousand, two hundred forty-one".