545434133 has 4 divisors (see below), whose sum is σ = 545602668. Its totient is φ = 545265600.

The previous prime is 545434093. The next prime is 545434151. The reversal of 545434133 is 331434545.

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 193571569 + 351862564 = 13913^2 + 18758^2 .

It is a cyclic number.

It is not a de Polignac number, because 545434133 - 2¹⁶ = 545368597 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 545434133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545434033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79316 + ... + 85917.

It is an arithmetic number, because the mean of its divisors is an integer number (136400667).

Almost surely, 2^545434133 is an apocalyptic number.

It is an amenable number.

545434133 is a deficient number, since it is larger than the sum of its proper divisors (168535).

545434133 is a wasteful number, since it uses less digits than its factorization.

545434133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168534.

The product of its digits is 43200, while the sum is 32.

The square root of 545434133 is about 23354.5313162136. The cubic root of 545434133 is about 817.0477483084.

Adding to 545434133 its reverse (331434545), we get a palindrome (876868678).

The spelling of 545434133 in words is "five hundred forty-five million, four hundred thirty-four thousand, one hundred thirty-three".