545374543 has 4 divisors (see below), whose sum is σ = 623285200. Its totient is φ = 467463888.

The previous prime is 545374523. The next prime is 545374549. The reversal of 545374543 is 345473545.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 345473545 = 5 ⋅69094709.

It is a cyclic number.

It is not a de Polignac number, because 545374543 - 2²⁹ = 8503631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 545374496 and 545374505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545374549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38955318 + ... + 38955331.

It is an arithmetic number, because the mean of its divisors is an integer number (155821300).

Almost surely, 2^545374543 is an apocalyptic number.

545374543 is a deficient number, since it is larger than the sum of its proper divisors (77910657).

545374543 is an equidigital number, since it uses as much as digits as its factorization.

545374543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77910656.

The product of its digits is 504000, while the sum is 40.

The square root of 545374543 is about 23353.2555118125. The cubic root of 545374543 is about 817.0179924096.

The spelling of 545374543 in words is "five hundred forty-five million, three hundred seventy-four thousand, five hundred forty-three".