200135445 has 24 divisors (see below), whose sum is σ = 323469216. Its totient is φ = 105665472.

The previous prime is 200135437. The next prime is 200135461. The reversal of 200135445 is 544531002.

It is not a de Polignac number, because 200135445 - 2³ = 200135437 is a prime.

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, 177654 + ... + 178776.

It is an arithmetic number, because the mean of its divisors is an integer number (13477884).

Almost surely, 2^200135445 is an apocalyptic number.

It is an amenable number.

200135445 is a deficient number, since it is larger than the sum of its proper divisors (123333771).

200135445 is a wasteful number, since it uses less digits than its factorization.

200135445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349 (or 1240 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 200135445 is about 14146.9235171468. The cubic root of 200135445 is about 584.9355323801.

Adding to 200135445 its reverse (544531002), we get a palindrome (744666447).

The spelling of 200135445 in words is "two hundred million, one hundred thirty-five thousand, four hundred forty-five".