200430045 has 24 divisors (see below), whose sum is σ = 360281376. Its totient is φ = 106895376.

The previous prime is 200430037. The next prime is 200430053. The reversal of 200430045 is 540034002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (200430037) and next prime (200430053).

It is not a de Polignac number, because 200430045 - 2³ = 200430037 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81267 + ... + 83696.

It is an arithmetic number, because the mean of its divisors is an integer number (15011724).

Almost surely, 2^200430045 is an apocalyptic number.

It is an amenable number.

200430045 is a deficient number, since it is larger than the sum of its proper divisors (159851331).

200430045 is an equidigital number, since it uses as much as digits as its factorization.

200430045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164983 (or 164971 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 200430045 is about 14157.3318460789. The cubic root of 200430045 is about 585.2224006459. Note that the first 3 decimals are identical.

Adding to 200430045 its reverse (540034002), we get a palindrome (740464047).

The spelling of 200430045 in words is "two hundred million, four hundred thirty thousand, forty-five".