200344132445 has 4 divisors (see below), whose sum is σ = 240412958940. Its totient is φ = 160275305952.

The previous prime is 200344132427. The next prime is 200344132447. The reversal of 200344132445 is 544231443002.

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

It can be written as a sum of positive squares in 2 ways, for example, as 77699890009 + 122644242436 = 278747^2 + 350206^2 .

It is a cyclic number.

It is not a de Polignac number, because 200344132445 - 2⁶ = 200344132381 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200344132447) 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, 20034413240 + ... + 20034413249.

It is an arithmetic number, because the mean of its divisors is an integer number (60103239735).

Almost surely, 2^200344132445 is an apocalyptic number.

It is an amenable number.

200344132445 is a deficient number, since it is larger than the sum of its proper divisors (40068826495).

200344132445 is an equidigital number, since it uses as much as digits as its factorization.

200344132445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40068826494.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 200344132445 its reverse (544231443002), we get a palindrome (744575575447).

The spelling of 200344132445 in words is "two hundred billion, three hundred forty-four million, one hundred thirty-two thousand, four hundred forty-five".