202004345 has 4 divisors (see below), whose sum is σ = 242405220. Its totient is φ = 161603472.

The previous prime is 202004329. The next prime is 202004351. The reversal of 202004345 is 543400202.

202004345 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 92236816 + 109767529 = 9604^2 + 10477^2 .

It is a cyclic number.

It is not a de Polignac number, because 202004345 - 2⁴ = 202004329 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20200430 + ... + 20200439.

It is an arithmetic number, because the mean of its divisors is an integer number (60601305).

Almost surely, 2^202004345 is an apocalyptic number.

It is an amenable number.

202004345 is a deficient number, since it is larger than the sum of its proper divisors (40400875).

202004345 is an equidigital number, since it uses as much as digits as its factorization.

202004345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40400874.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 202004345 is about 14212.8232592965. The cubic root of 202004345 is about 586.7506377666.

Adding to 202004345 its reverse (543400202), we get a palindrome (745404547).

The spelling of 202004345 in words is "two hundred two million, four thousand, three hundred forty-five".