200243615 has 16 divisors (see below), whose sum is σ = 282302496. Its totient is φ = 134428800.

The previous prime is 200243611. The next prime is 200243621. The reversal of 200243615 is 516342002.

It is not a de Polignac number, because 200243615 - 2² = 200243611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200243611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139316 + ... + 140745.

It is an arithmetic number, because the mean of its divisors is an integer number (17643906).

Almost surely, 2^200243615 is an apocalyptic number.

200243615 is a deficient number, since it is larger than the sum of its proper divisors (82058881).

200243615 is a wasteful number, since it uses less digits than its factorization.

200243615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280090.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 200243615 is about 14150.7460934044. The cubic root of 200243615 is about 585.0408961596.

Adding to 200243615 its reverse (516342002), we get a palindrome (716585617).

The spelling of 200243615 in words is "two hundred million, two hundred forty-three thousand, six hundred fifteen".