202550143105 has 4 divisors (see below), whose sum is σ = 243060171732. Its totient is φ = 162040114480.

The previous prime is 202550143099. The next prime is 202550143121. The reversal of 202550143105 is 501341055202.

202550143105 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 2 ways, for example, as 146689766001 + 55860377104 = 383001^2 + 236348^2 .

It is not a de Polignac number, because 202550143105 - 2⁹ = 202550142593 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 20255014306 + ... + 20255014315.

It is an arithmetic number, because the mean of its divisors is an integer number (60765042933).

Almost surely, 2^202550143105 is an apocalyptic number.

It is an amenable number.

202550143105 is a deficient number, since it is larger than the sum of its proper divisors (40510028627).

202550143105 is an equidigital number, since it uses as much as digits as its factorization.

202550143105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40510028626.

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 202550143105 its reverse (501341055202), we get a palindrome (703891198307).

The spelling of 202550143105 in words is "two hundred two billion, five hundred fifty million, one hundred forty-three thousand, one hundred five".