545126343621545 has 32 divisors (see below), whose sum is σ = 754755854508288. Its totient is φ = 370225462457088.

The previous prime is 545126343621539. The next prime is 545126343621553.

545126343621545 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 545126343621545 - 2⁴ = 545126343621529 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 803579 + ... + 33028751.

It is an arithmetic number, because the mean of its divisors is an integer number (23586120453384).

Almost surely, 2^{545126343621545} is an apocalyptic number.

It is an amenable number.

545126343621545 is a deficient number, since it is larger than the sum of its proper divisors (209629510886743).

545126343621545 is a wasteful number, since it uses less digits than its factorization.

545126343621545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32229809.

The product of its digits is 51840000, while the sum is 56.

The spelling of 545126343621545 in words is "five hundred forty-five trillion, one hundred twenty-six billion, three hundred forty-three million, six hundred twenty-one thousand, five hundred forty-five".