5200145 has 4 divisors (see below), whose sum is σ = 6240180. Its totient is φ = 4160112.

The previous prime is 5200141. The next prime is 5200159. The reversal of 5200145 is 5410025.

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 923521 + 4276624 = 961^2 + 2068^2 .

It is a cyclic number.

It is not a de Polignac number, because 5200145 - 2² = 5200141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5200141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520010 + ... + 520019.

It is an arithmetic number, because the mean of its divisors is an integer number (1560045).

Almost surely, 2^5200145 is an apocalyptic number.

It is an amenable number.

5200145 is a deficient number, since it is larger than the sum of its proper divisors (1040035).

5200145 is a wasteful number, since it uses less digits than its factorization.

5200145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040034.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 5200145 is about 2280.3826433298. The cubic root of 5200145 is about 173.2494313695.

The spelling of 5200145 in words is "five million, two hundred thousand, one hundred forty-five".