200045403 has 16 divisors (see below), whose sum is σ = 296589600. Its totient is φ = 133261920.

The previous prime is 200045399. The next prime is 200045407. The reversal of 200045403 is 304540002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (200045399) and next prime (200045407).

It is not a de Polignac number, because 200045403 - 2² = 200045399 is a prime.

It is a super-2 number, since 2×200045403² = 80036326522864818, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (200045407) 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, 54073 + ... + 57653.

It is an arithmetic number, because the mean of its divisors is an integer number (18536850).

Almost surely, 2^200045403 is an apocalyptic number.

200045403 is a deficient number, since it is larger than the sum of its proper divisors (96544197).

200045403 is a wasteful number, since it uses less digits than its factorization.

200045403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5659 (or 5653 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 200045403 is about 14143.7407710973. The cubic root of 200045403 is about 584.8477973534.

Adding to 200045403 its reverse (304540002), we get a palindrome (504585405).

The spelling of 200045403 in words is "two hundred million, forty-five thousand, four hundred three".