200245451 has 4 divisors (see below), whose sum is σ = 228851952. Its totient is φ = 171638952.

The previous prime is 200245447. The next prime is 200245457. The reversal of 200245451 is 154542002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 200245451 - 2² = 200245447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200245457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14303240 + ... + 14303253.

It is an arithmetic number, because the mean of its divisors is an integer number (57212988).

Almost surely, 2^200245451 is an apocalyptic number.

200245451 is a deficient number, since it is larger than the sum of its proper divisors (28606501).

200245451 is an equidigital number, since it uses as much as digits as its factorization.

200245451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28606500.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 200245451 is about 14150.8109661602. The cubic root of 200245451 is about 585.0426842013.

Adding to 200245451 its reverse (154542002), we get a palindrome (354787453).

The spelling of 200245451 in words is "two hundred million, two hundred forty-five thousand, four hundred fifty-one".