320104532445 has 16 divisors (see below), whose sum is σ = 512230919040. Its totient is φ = 170701194944.

The previous prime is 320104532417. The next prime is 320104532459. The reversal of 320104532445 is 544235401023.

It is a cyclic number.

It is not a de Polignac number, because 320104532445 - 2¹⁰ = 320104531421 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1201329 + ... + 1443398.

It is an arithmetic number, because the mean of its divisors is an integer number (32014432440).

Almost surely, 2^320104532445 is an apocalyptic number.

It is an amenable number.

320104532445 is a deficient number, since it is larger than the sum of its proper divisors (192126386595).

320104532445 is a wasteful number, since it uses less digits than its factorization.

320104532445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2652804.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 320104532445 its reverse (544235401023), we get a palindrome (864339933468).

The spelling of 320104532445 in words is "three hundred twenty billion, one hundred four million, five hundred thirty-two thousand, four hundred forty-five".