545341453 has 4 divisors (see below), whose sum is σ = 577420380. Its totient is φ = 513262528.

The previous prime is 545341421. The next prime is 545341493. The reversal of 545341453 is 354143545.

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 495596644 + 49744809 = 22262^2 + 7053^2 .

It is a cyclic number.

It is not a de Polignac number, because 545341453 - 2⁵ = 545341421 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 (545341493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16039438 + ... + 16039471.

It is an arithmetic number, because the mean of its divisors is an integer number (144355095).

Almost surely, 2^545341453 is an apocalyptic number.

It is an amenable number.

545341453 is a deficient number, since it is larger than the sum of its proper divisors (32078927).

545341453 is a wasteful number, since it uses less digits than its factorization.

545341453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32078926.

The product of its digits is 72000, while the sum is 34.

The square root of 545341453 is about 23352.5470345314. The cubic root of 545341453 is about 817.0014681864.

Adding to 545341453 its reverse (354143545), we get a palindrome (899484998).

The spelling of 545341453 in words is "five hundred forty-five million, three hundred forty-one thousand, four hundred fifty-three".