545045133 has 4 divisors (see below), whose sum is σ = 726726848. Its totient is φ = 363363420.

The previous prime is 545045107. The next prime is 545045159. The reversal of 545045133 is 331540545.

545045133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (545045107) and next prime (545045159).

It is not a de Polignac number, because 545045133 - 2¹³ = 545036941 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 545045133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545045173) 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, 90840853 + ... + 90840858.

It is an arithmetic number, because the mean of its divisors is an integer number (181681712).

Almost surely, 2^545045133 is an apocalyptic number.

It is an amenable number.

545045133 is a deficient number, since it is larger than the sum of its proper divisors (181681715).

545045133 is a wasteful number, since it uses less digits than its factorization.

545045133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181681714.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 545045133 is about 23346.2016825007. The cubic root of 545045133 is about 816.8534644384.

Adding to 545045133 its reverse (331540545), we get a palindrome (876585678).

The spelling of 545045133 in words is "five hundred forty-five million, forty-five thousand, one hundred thirty-three".