200345443245 has 12 divisors (see below), whose sum is σ = 347265435036. Its totient is φ = 106850903040.

The previous prime is 200345443237. The next prime is 200345443279. The reversal of 200345443245 is 542344543002.

200345443245 is a `hidden beast` number, since 200 + 3 + 4 + 5 + 443 + 2 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 114080466564 + 86264976681 = 337758^2 + 293709^2 .

It is not a de Polignac number, because 200345443245 - 2³ = 200345443237 is a prime.

It is a super-2 number, since 2×200345443245² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2226060436 + ... + 2226060525.

It is an arithmetic number, because the mean of its divisors is an integer number (28938786253).

Almost surely, 2^200345443245 is an apocalyptic number.

It is an amenable number.

200345443245 is a deficient number, since it is larger than the sum of its proper divisors (146919991791).

200345443245 is a wasteful number, since it uses less digits than its factorization.

200345443245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4452120972 (or 4452120969 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 36.

Adding to 200345443245 its reverse (542344543002), we get a palindrome (742689986247).

The spelling of 200345443245 in words is "two hundred billion, three hundred forty-five million, four hundred forty-three thousand, two hundred forty-five".