545345063 has 4 divisors (see below), whose sum is σ = 554285208. Its totient is φ = 536404920.

The previous prime is 545345051. The next prime is 545345069. The reversal of 545345063 is 360543545.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 545345063 - 2⁶ = 545344999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545345069) 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, 4469981 + ... + 4470102.

It is an arithmetic number, because the mean of its divisors is an integer number (138571302).

Almost surely, 2^545345063 is an apocalyptic number.

545345063 is a deficient number, since it is larger than the sum of its proper divisors (8940145).

545345063 is an equidigital number, since it uses as much as digits as its factorization.

545345063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8940144.

The product of its (nonzero) digits is 108000, while the sum is 35.

The square root of 545345063 is about 23352.6243278994. The cubic root of 545345063 is about 817.0032709522.

The spelling of 545345063 in words is "five hundred forty-five million, three hundred forty-five thousand, sixty-three".