545424666424545 has 16 divisors (see below), whose sum is σ = 872746683679872. Its totient is φ = 290870749626240.

The previous prime is 545424666424501. The next prime is 545424666424549.

545424666424545 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 545424666424545 - 2⁶ = 545424666424481 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (545424666424549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1400161276 + ... + 1400550765.

It is an arithmetic number, because the mean of its divisors is an integer number (54546667729992).

Almost surely, 2^{545424666424545} is an apocalyptic number.

It is an amenable number.

545424666424545 is a deficient number, since it is larger than the sum of its proper divisors (327322017255327).

545424666424545 is a wasteful number, since it uses less digits than its factorization.

545424666424545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800725032.

The product of its digits is 2211840000, while the sum is 66.

The spelling of 545424666424545 in words is "five hundred forty-five trillion, four hundred twenty-four billion, six hundred sixty-six million, four hundred twenty-four thousand, five hundred forty-five".