545532626235545 has 32 divisors (see below), whose sum is σ = 712613577705120. Its totient is φ = 398509108070400.

The previous prime is 545532626235533. The next prime is 545532626235547.

545532626235545 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 16 ways, for example, as 175374612296464 + 370158013939081 = 13242908^2 + 19239491^2 .

It is not a de Polignac number, because 545532626235545 - 2³⁰ = 545531552493721 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (545532626235547) 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 31 ways as a sum of consecutive naturals, for example, 29863460 + ... + 44529669.

It is an arithmetic number, because the mean of its divisors is an integer number (22269174303285).

Almost surely, 2^{545532626235545} is an apocalyptic number.

It is an amenable number.

545532626235545 is a deficient number, since it is larger than the sum of its proper divisors (167080951469575).

545532626235545 is a wasteful number, since it uses less digits than its factorization.

545532626235545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74394365.

The product of its digits is 648000000, while the sum is 62.

The spelling of 545532626235545 in words is "five hundred forty-five trillion, five hundred thirty-two billion, six hundred twenty-six million, two hundred thirty-five thousand, five hundred forty-five".