45205444323443 has 4 divisors (see below), whose sum is σ = 45205511401728. Its totient is φ = 45205377245160.

The previous prime is 45205444323409. The next prime is 45205444323467. The reversal of 45205444323443 is 34432344450254.

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 45205444323443 - 2²² = 45205440129139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45205444322443) 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, 32517896 + ... + 33879557.

It is an arithmetic number, because the mean of its divisors is an integer number (11301377850432).

Almost surely, 2^{45205444323443} is an apocalyptic number.

45205444323443 is a deficient number, since it is larger than the sum of its proper divisors (67078285).

45205444323443 is an equidigital number, since it uses as much as digits as its factorization.

45205444323443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67078284.

The product of its (nonzero) digits is 11059200, while the sum is 47.

Adding to 45205444323443 its reverse (34432344450254), we get a palindrome (79637788773697).

The spelling of 45205444323443 in words is "forty-five trillion, two hundred five billion, four hundred forty-four million, three hundred twenty-three thousand, four hundred forty-three".