545174453 has 4 divisors (see below), whose sum is σ = 546389100. Its totient is φ = 543959808.

The previous prime is 545174437. The next prime is 545174473. The reversal of 545174453 is 354471545.

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 375080689 + 170093764 = 19367^2 + 13042^2 .

It is a cyclic number.

It is not a de Polignac number, because 545174453 - 2⁴ = 545174437 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 (545174473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606650 + ... + 607547.

It is an arithmetic number, because the mean of its divisors is an integer number (136597275).

Almost surely, 2^545174453 is an apocalyptic number.

It is an amenable number.

545174453 is a deficient number, since it is larger than the sum of its proper divisors (1214647).

545174453 is a wasteful number, since it uses less digits than its factorization.

545174453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214646.

The product of its digits is 168000, while the sum is 38.

The square root of 545174453 is about 23348.9711336496. The cubic root of 545174453 is about 816.9180628421.

The spelling of 545174453 in words is "five hundred forty-five million, one hundred seventy-four thousand, four hundred fifty-three".