200045850 has 48 divisors (see below), whose sum is σ = 505494432. Its totient is φ = 52336960.

The previous prime is 200045849. The next prime is 200045861. The reversal of 200045850 is 58540002.

It is a self number, because there is not a number n which added to its sum of digits gives 200045850.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4632 + ... + 20531.

It is an arithmetic number, because the mean of its divisors is an integer number (10531134).

Almost surely, 2^200045850 is an apocalyptic number.

200045850 is an abundant number, since it is smaller than the sum of its proper divisors (305448582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200045850 is a wasteful number, since it uses less digits than its factorization.

200045850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25231 (or 25226 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 200045850 is about 14143.7565731315. The cubic root of 200045850 is about 584.8482329658.

Adding to 200045850 its reverse (58540002), we get a palindrome (258585852).

The spelling of 200045850 in words is "two hundred million, forty-five thousand, eight hundred fifty".