200861345 has 8 divisors (see below), whose sum is σ = 247548264. Its totient is φ = 156345984.

The previous prime is 200861333. The next prime is 200861347. The reversal of 200861345 is 543168002.

It can be written as a sum of positive squares in 4 ways, for example, as 100140049 + 100721296 = 10007^2 + 10036^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200861345 - 2⁶ = 200861281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200861347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 542684 + ... + 543053.

It is an arithmetic number, because the mean of its divisors is an integer number (30943533).

Almost surely, 2^200861345 is an apocalyptic number.

It is an amenable number.

200861345 is a deficient number, since it is larger than the sum of its proper divisors (46686919).

200861345 is a wasteful number, since it uses less digits than its factorization.

200861345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085779.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 200861345 is about 14172.5560503390. The cubic root of 200861345 is about 585.6418746635.

The spelling of 200861345 in words is "two hundred million, eight hundred sixty-one thousand, three hundred forty-five".