545323253545 has 16 divisors (see below), whose sum is σ = 771996791808. Its totient is φ = 361873494720.

The previous prime is 545323253539. The next prime is 545323253569. The reversal of 545323253545 is 545352323545.

It is a happy number.

It is not a de Polignac number, because 545323253545 - 2²⁷ = 545189035817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 545323253495 and 545323253504.

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, 251299954 + ... + 251302123.

It is an arithmetic number, because the mean of its divisors is an integer number (48249799488).

Almost surely, 2^545323253545 is an apocalyptic number.

It is an amenable number.

545323253545 is a deficient number, since it is larger than the sum of its proper divisors (226673538263).

545323253545 is a wasteful number, since it uses less digits than its factorization.

545323253545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502602120.

The product of its digits is 5400000, while the sum is 46.

The spelling of 545323253545 in words is "five hundred forty-five billion, three hundred twenty-three million, two hundred fifty-three thousand, five hundred forty-five".