545302441 has 4 divisors (see below), whose sum is σ = 545722884. Its totient is φ = 544882000.

The previous prime is 545302397. The next prime is 545302463. The reversal of 545302441 is 144203545.

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 36348841 + 508953600 = 6029^2 + 22560^2 .

It is a cyclic number.

It is not a de Polignac number, because 545302441 - 2¹³ = 545294249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545332441) 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, 208270 + ... + 210871.

It is an arithmetic number, because the mean of its divisors is an integer number (136430721).

Almost surely, 2^545302441 is an apocalyptic number.

It is an amenable number.

545302441 is a deficient number, since it is larger than the sum of its proper divisors (420443).

545302441 is a wasteful number, since it uses less digits than its factorization.

545302441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420442.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 545302441 is about 23351.7117359734. The cubic root of 545302441 is about 816.9819858228.

Adding to 545302441 its reverse (144203545), we get a palindrome (689505986).

The spelling of 545302441 in words is "five hundred forty-five million, three hundred two thousand, four hundred forty-one".