200045231 has 2 divisors, whose sum is σ = 200045232. Its totient is φ = 200045230.

The previous prime is 200045149. The next prime is 200045233. The reversal of 200045231 is 132540002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200045231 - 2²⁶ = 132936367 is a prime.

It is a super-2 number, since 2×200045231² = 80036188891686722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 200045233, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_11081312 and since 200045231 and 11081312 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200045233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100022615 + 100022616.

It is an arithmetic number, because the mean of its divisors is an integer number (100022616).

Almost surely, 2^200045231 is an apocalyptic number.

200045231 is a deficient number, since it is larger than the sum of its proper divisors (1).

200045231 is an equidigital number, since it uses as much as digits as its factorization.

200045231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 200045231 is about 14143.7346906678. The cubic root of 200045231 is about 584.8476297351.

Adding to 200045231 its reverse (132540002), we get a palindrome (332585233).

The spelling of 200045231 in words is "two hundred million, forty-five thousand, two hundred thirty-one".