545115451323 has 16 divisors (see below), whose sum is σ = 737271714816. Its totient is φ = 358187719680.

The previous prime is 545115451303. The next prime is 545115451327. The reversal of 545115451323 is 323154511545.

It is not a de Polignac number, because 545115451323 - 2⁵ = 545115451291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (545115451327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366190 + ... + 1106492.

It is an arithmetic number, because the mean of its divisors is an integer number (46079482176).

Almost surely, 2^545115451323 is an apocalyptic number.

545115451323 is a deficient number, since it is larger than the sum of its proper divisors (192156263493).

545115451323 is a wasteful number, since it uses less digits than its factorization.

545115451323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743834.

The product of its digits is 180000, while the sum is 39.

Adding to 545115451323 its reverse (323154511545), we get a palindrome (868269962868).

The spelling of 545115451323 in words is "five hundred forty-five billion, one hundred fifteen million, four hundred fifty-one thousand, three hundred twenty-three".