200040045 has 16 divisors (see below), whose sum is σ = 325312512. Its totient is φ = 104938560.

The previous prime is 200040041. The next prime is 200040047. The reversal of 200040045 is 540040002.

It is not a de Polignac number, because 200040045 - 2² = 200040041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200040041) 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, 108397 + ... + 110226.

It is an arithmetic number, because the mean of its divisors is an integer number (20332032).

Almost surely, 2^200040045 is an apocalyptic number.

It is an amenable number.

200040045 is a deficient number, since it is larger than the sum of its proper divisors (125272467).

200040045 is a wasteful number, since it uses less digits than its factorization.

200040045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218692.

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 200040045 is about 14143.5513574208. The cubic root of 200040045 is about 584.8425758013.

Adding to 200040045 its reverse (540040002), we get a palindrome (740080047).

The spelling of 200040045 in words is "two hundred million, forty thousand, forty-five".