545443243454 has 16 divisors (see below), whose sum is σ = 826030548000. Its totient is φ = 270103384320.

The previous prime is 545443243439. The next prime is 545443243481. The reversal of 545443243454 is 454342344545.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 545443243399 and 545443243408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 614954 + ... + 1212045.

It is an arithmetic number, because the mean of its divisors is an integer number (51626909250).

Almost surely, 2^545443243454 is an apocalyptic number.

545443243454 is a deficient number, since it is larger than the sum of its proper divisors (280587304546).

545443243454 is a wasteful number, since it uses less digits than its factorization.

545443243454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828435.

The product of its digits is 9216000, while the sum is 47.

Adding to 545443243454 its reverse (454342344545), we get a palindrome (999785587999).

The spelling of 545443243454 in words is "five hundred forty-five billion, four hundred forty-three million, two hundred forty-three thousand, four hundred fifty-four".