200000345 has 16 divisors (see below), whose sum is σ = 242186112. Its totient is φ = 158551680.

The previous prime is 200000329. The next prime is 200000347. The reversal of 200000345 is 543000002.

It is not a de Polignac number, because 200000345 - 2⁴ = 200000329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200000347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397364 + ... + 397866.

It is an arithmetic number, because the mean of its divisors is an integer number (15136632).

Almost surely, 2^200000345 is an apocalyptic number.

It is an amenable number.

200000345 is a deficient number, since it is larger than the sum of its proper divisors (42185767).

200000345 is a wasteful number, since it uses less digits than its factorization.

200000345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072.

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 200000345 is about 14142.1478213177. The cubic root of 200000345 is about 584.8038839044.

Adding to 200000345 its reverse (543000002), we get a palindrome (743000347).

The spelling of 200000345 in words is "two hundred million, three hundred forty-five", and thus it is an aban number.