545400133 has 4 divisors (see below), whose sum is σ = 545827840. Its totient is φ = 544972428.

The previous prime is 545400067. The next prime is 545400197. The reversal of 545400133 is 331004545.

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 a cyclic number.

It is not a de Polignac number, because 545400133 - 2²⁹ = 8529221 is a prime.

It is a super-2 number, since 2×545400133² = 594922610152835378, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 545400098 and 545400107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545400533) 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, 211935 + ... + 214492.

It is an arithmetic number, because the mean of its divisors is an integer number (136456960).

Almost surely, 2^545400133 is an apocalyptic number.

It is an amenable number.

545400133 is a deficient number, since it is larger than the sum of its proper divisors (427707).

545400133 is a wasteful number, since it uses less digits than its factorization.

545400133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427706.

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

The square root of 545400133 is about 23353.8033947364. The cubic root of 545400133 is about 817.0307708837.

Adding to 545400133 its reverse (331004545), we get a palindrome (876404678).

The spelling of 545400133 in words is "five hundred forty-five million, four hundred thousand, one hundred thirty-three".