200799945 has 32 divisors (see below), whose sum is σ = 360339840. Its totient is φ = 106084800.

The previous prime is 200799943. The next prime is 200799953. The reversal of 200799945 is 549997002.

It is not a de Polignac number, because 200799945 - 2¹ = 200799943 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 200799945.

It is not an unprimeable number, because it can be changed into a prime (200799943) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7495 + ... + 21395.

It is an arithmetic number, because the mean of its divisors is an integer number (11260620).

Almost surely, 2^200799945 is an apocalyptic number.

It is an amenable number.

200799945 is a deficient number, since it is larger than the sum of its proper divisors (159539895).

200799945 is a wasteful number, since it uses less digits than its factorization.

200799945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14022 (or 14016 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 200799945 is about 14170.3897264684. The cubic root of 200799945 is about 585.5821948950.

The spelling of 200799945 in words is "two hundred million, seven hundred ninety-nine thousand, nine hundred forty-five".