545532646235545 has 8 divisors (see below), whose sum is σ = 654639404588424. Its totient is φ = 436425964251264.

The previous prime is 545532646235519. The next prime is 545532646235557.

545532646235545 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 198519420654864 + 347013225580681 = 14089692^2 + 18628291^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 545532646235545 - 2³³ = 545524056300953 is a prime.

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, 1982764 + ... + 33090733.

It is an arithmetic number, because the mean of its divisors is an integer number (81829925573553).

Almost surely, 2^{545532646235545} is an apocalyptic number.

It is an amenable number.

545532646235545 is a deficient number, since it is larger than the sum of its proper divisors (109106758352879).

545532646235545 is a wasteful number, since it uses less digits than its factorization.

545532646235545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38184299.

The product of its digits is 1296000000, while the sum is 64.

The spelling of 545532646235545 in words is "five hundred forty-five trillion, five hundred thirty-two billion, six hundred forty-six million, two hundred thirty-five thousand, five hundred forty-five".