200900045 has 8 divisors (see below), whose sum is σ = 242413080. Its totient is φ = 159831360.

The previous prime is 200900027. The next prime is 200900059. The reversal of 200900045 is 540009002.

It can be written as a sum of positive squares in 4 ways, for example, as 18028516 + 182871529 = 4246^2 + 13523^2 .

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

It is not a de Polignac number, because 200900045 - 2⁶ = 200899981 is a prime.

It is a congruent 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, 110090 + ... + 111899.

It is an arithmetic number, because the mean of its divisors is an integer number (30301635).

Almost surely, 2^200900045 is an apocalyptic number.

It is an amenable number.

200900045 is a deficient number, since it is larger than the sum of its proper divisors (41513035).

200900045 is a wasteful number, since it uses less digits than its factorization.

200900045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222175.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 200900045 is about 14173.9212993441. The cubic root of 200900045 is about 585.6794841649.

Adding to 200900045 its reverse (540009002), we get a palindrome (740909047).

The spelling of 200900045 in words is "two hundred million, nine hundred thousand, forty-five".