515144442145 has 16 divisors (see below), whose sum is σ = 619008399360. Its totient is φ = 411559228800.

The previous prime is 515144442089. The next prime is 515144442151. The reversal of 515144442145 is 541244441515.

It is not a de Polignac number, because 515144442145 - 2²⁵ = 515110887713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 515144442098 and 515144442107.

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, 11314336 + ... + 11359774.

It is an arithmetic number, because the mean of its divisors is an integer number (38688024960).

Almost surely, 2^515144442145 is an apocalyptic number.

It is an amenable number.

515144442145 is a deficient number, since it is larger than the sum of its proper divisors (103863957215).

515144442145 is a wasteful number, since it uses less digits than its factorization.

515144442145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48456.

The product of its digits is 256000, while the sum is 40.

The spelling of 515144442145 in words is "five hundred fifteen billion, one hundred forty-four million, four hundred forty-two thousand, one hundred forty-five".