545344868443545 has 12 divisors (see below), whose sum is σ = 945264438635556. Its totient is φ = 290850596503200.

The previous prime is 545344868443519. The next prime is 545344868443549.

545344868443545 is a `hidden beast` number, since 5 + 4 + 5 + 34 + 4 + 8 + 6 + 8 + 4 + 43 + 545 = 666.

545344868443545 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 393122301145344 + 152222567298201 = 19827312^2 + 12337851^2 .

It is not a de Polignac number, because 545344868443545 - 2⁸ = 545344868443289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (545344868443549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6059387427106 + ... + 6059387427195.

It is an arithmetic number, because the mean of its divisors is an integer number (78772036552963).

Almost surely, 2^{545344868443545} is an apocalyptic number.

It is an amenable number.

545344868443545 is a deficient number, since it is larger than the sum of its proper divisors (399919570192011).

545344868443545 is a wasteful number, since it uses less digits than its factorization.

545344868443545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12118774854312 (or 12118774854309 counting only the distinct ones).

The product of its digits is 8847360000, while the sum is 72.

The spelling of 545344868443545 in words is "five hundred forty-five trillion, three hundred forty-four billion, eight hundred sixty-eight million, four hundred forty-three thousand, five hundred forty-five".