545267545 has 4 divisors (see below), whose sum is σ = 654321060. Its totient is φ = 436214032.

The previous prime is 545267531. The next prime is 545267581. The reversal of 545267545 is 545762545.

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

It can be written as a sum of positive squares in 2 ways, for example, as 335915584 + 209351961 = 18328^2 + 14469^2 .

It is a cyclic number.

It is not a de Polignac number, because 545267545 - 2⁹ = 545267033 is a prime.

It is an unprimeable number.

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, 54526750 + ... + 54526759.

It is an arithmetic number, because the mean of its divisors is an integer number (163580265).

Almost surely, 2^545267545 is an apocalyptic number.

It is an amenable number.

545267545 is a deficient number, since it is larger than the sum of its proper divisors (109053515).

545267545 is a wasteful number, since it uses less digits than its factorization.

545267545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109053514.

The product of its digits is 840000, while the sum is 43.

The square root of 545267545 is about 23350.9645411062. The cubic root of 545267545 is about 816.9645581781.

The spelling of 545267545 in words is "five hundred forty-five million, two hundred sixty-seven thousand, five hundred forty-five".