545323254145 has 8 divisors (see below), whose sum is σ = 654797675304. Its totient is φ = 435985423104.

The previous prime is 545323254083. The next prime is 545323254199. The reversal of 545323254145 is 541452323545.

It can be written as a sum of positive squares in 4 ways, for example, as 7727816464 + 537595437681 = 87908^2 + 733209^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545323254145 is a prime.

It is a super-2 number, since 2×545323254145² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34138744 + ... + 34154713.

It is an arithmetic number, because the mean of its divisors is an integer number (81849709413).

Almost surely, 2^545323254145 is an apocalyptic number.

It is an amenable number.

545323254145 is a deficient number, since it is larger than the sum of its proper divisors (109474421159).

545323254145 is a wasteful number, since it uses less digits than its factorization.

545323254145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68295059.

The product of its digits is 1440000, while the sum is 43.

The spelling of 545323254145 in words is "five hundred forty-five billion, three hundred twenty-three million, two hundred fifty-four thousand, one hundred forty-five".