545334453 has 12 divisors (see below), whose sum is σ = 808995148. Its totient is φ = 353730240.

The previous prime is 545334421. The next prime is 545334469. The reversal of 545334453 is 354433545.

It can be written as a sum of positive squares in 2 ways, for example, as 463196484 + 82137969 = 21522^2 + 9063^2 .

It is not a de Polignac number, because 545334453 - 2⁵ = 545334421 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 (545334553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 818488 + ... + 819153.

Almost surely, 2^545334453 is an apocalyptic number.

It is an amenable number.

545334453 is a deficient number, since it is larger than the sum of its proper divisors (263660695).

545334453 is a wasteful number, since it uses less digits than its factorization.

545334453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637684 (or 1637681 counting only the distinct ones).

The product of its digits is 216000, while the sum is 36.

The square root of 545334453 is about 23352.3971574654. The cubic root of 545334453 is about 816.9979724959.

Adding to 545334453 its reverse (354433545), we get a palindrome (899767998).

The spelling of 545334453 in words is "five hundred forty-five million, three hundred thirty-four thousand, four hundred fifty-three".