243825975153 has 24 divisors (see below), whose sum is σ = 357615658400. Its totient is φ = 160050173184.

The previous prime is 243825975149. The next prime is 243825975181. The reversal of 243825975153 is 351579528342.

243825975153 is a `hidden beast` number, since 2 + 4 + 38 + 2 + 5 + 97 + 515 + 3 = 666.

243825975153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 243825975153 - 2² = 243825975149 is a prime.

It is a super-2 number, since 2×243825975153² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 243825975153.

It is not an unprimeable number, because it can be changed into a prime (243825975143) 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 23 ways as a sum of consecutive naturals, for example, 1221153 + ... + 1406721.

Almost surely, 2^243825975153 is an apocalyptic number.

It is an amenable number.

243825975153 is a deficient number, since it is larger than the sum of its proper divisors (113789683247).

243825975153 is a wasteful number, since it uses less digits than its factorization.

243825975153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187821 (or 187818 counting only the distinct ones).

The product of its digits is 9072000, while the sum is 54.

The spelling of 243825975153 in words is "two hundred forty-three billion, eight hundred twenty-five million, nine hundred seventy-five thousand, one hundred fifty-three".