545456543 has 8 divisors (see below), whose sum is σ = 579794112. Its totient is φ = 511369216.

The previous prime is 545456533. The next prime is 545456567. The reversal of 545456543 is 345654545.

It is a happy number.

545456543 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 545456543 - 2⁸ = 545456287 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 545456543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545456533) 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 7 ways as a sum of consecutive naturals, for example, 58055 + ... + 66792.

It is an arithmetic number, because the mean of its divisors is an integer number (72474264).

Almost surely, 2^545456543 is an apocalyptic number.

545456543 is a deficient number, since it is larger than the sum of its proper divisors (34337569).

545456543 is a wasteful number, since it uses less digits than its factorization.

545456543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125121.

The product of its digits is 720000, while the sum is 41.

The square root of 545456543 is about 23355.0110896998. The cubic root of 545456543 is about 817.0589380428.

The spelling of 545456543 in words is "five hundred forty-five million, four hundred fifty-six thousand, five hundred forty-three".