50201145145 has 4 divisors (see below), whose sum is σ = 60241374180. Its totient is φ = 40160916112.

The previous prime is 50201145097. The next prime is 50201145151. The reversal of 50201145145 is 54154110205.

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 13968403344 + 36232741801 = 118188^2 + 190349^2 .

It is a cyclic number.

It is not a de Polignac number, because 50201145145 - 2³¹ = 48053661497 is a prime.

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, 5020114510 + ... + 5020114519.

It is an arithmetic number, because the mean of its divisors is an integer number (15060343545).

Almost surely, 2^50201145145 is an apocalyptic number.

It is an amenable number.

50201145145 is a deficient number, since it is larger than the sum of its proper divisors (10040229035).

50201145145 is a wasteful number, since it uses less digits than its factorization.

50201145145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10040229034.

The product of its (nonzero) digits is 4000, while the sum is 28.

The spelling of 50201145145 in words is "fifty billion, two hundred one million, one hundred forty-five thousand, one hundred forty-five".