545220133 has 8 divisors (see below), whose sum is σ = 553170240. Its totient is φ = 537327840.

The previous prime is 545220131. The next prime is 545220139. The reversal of 545220133 is 331022545.

545220133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 545220133 - 2¹ = 545220131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 545220098 and 545220107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545220131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4728 + ... + 33358.

It is an arithmetic number, because the mean of its divisors is an integer number (69146280).

Almost surely, 2^545220133 is an apocalyptic number.

It is an amenable number.

545220133 is a deficient number, since it is larger than the sum of its proper divisors (7950107).

545220133 is a wasteful number, since it uses less digits than its factorization.

545220133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28907.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 545220133 is about 23349.9493147201. The cubic root of 545220133 is about 816.9408786428.

Adding to 545220133 its reverse (331022545), we get a palindrome (876242678).

The spelling of 545220133 in words is "five hundred forty-five million, two hundred twenty thousand, one hundred thirty-three".