545331554245 has 16 divisors (see below), whose sum is σ = 665446091760. Its totient is φ = 428906649600.

The previous prime is 545331554221. The next prime is 545331554249. The reversal of 545331554245 is 542455133545.

It can be written as a sum of positive squares in 8 ways, for example, as 98083591489 + 447247962756 = 313183^2 + 668766^2 .

It is not a de Polignac number, because 545331554245 - 2⁵ = 545331554213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 545331554195 and 545331554204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545331554249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205111 + ... + 1064299.

It is an arithmetic number, because the mean of its divisors is an integer number (41590380735).

Almost surely, 2^545331554245 is an apocalyptic number.

It is an amenable number.

545331554245 is a deficient number, since it is larger than the sum of its proper divisors (120114537515).

545331554245 is a wasteful number, since it uses less digits than its factorization.

545331554245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861336.

The product of its digits is 3600000, while the sum is 46.

The spelling of 545331554245 in words is "five hundred forty-five billion, three hundred thirty-one million, five hundred fifty-four thousand, two hundred forty-five".