200343145 has 8 divisors (see below), whose sum is σ = 241234056. Its totient is φ = 159726336.

The previous prime is 200343139. The next prime is 200343161. The reversal of 200343145 is 541343002.

It can be written as a sum of positive squares in 4 ways, for example, as 27499536 + 172843609 = 5244^2 + 13147^2 .

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 200343145 - 2¹⁵ = 200310377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66912 + ... + 69841.

It is an arithmetic number, because the mean of its divisors is an integer number (30154257).

Almost surely, 2^200343145 is an apocalyptic number.

It is an amenable number.

200343145 is a deficient number, since it is larger than the sum of its proper divisors (40890911).

200343145 is a wasteful number, since it uses less digits than its factorization.

200343145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137051.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 200343145 is about 14154.2624322145. The cubic root of 200343145 is about 585.1378105699.

Adding to 200343145 its reverse (541343002), we get a palindrome (741686147).

The spelling of 200343145 in words is "two hundred million, three hundred forty-three thousand, one hundred forty-five".