545470133 has 4 divisors (see below), whose sum is σ = 587429388. Its totient is φ = 503510880.

The previous prime is 545470129. The next prime is 545470147. The reversal of 545470133 is 331074545.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331074545 = 5 ⋅66214909.

It can be written as a sum of positive squares in 2 ways, for example, as 108534724 + 436935409 = 10418^2 + 20903^2 .

It is a cyclic number.

It is not a de Polignac number, because 545470133 - 2² = 545470129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 545470133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545470103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20979608 + ... + 20979633.

It is an arithmetic number, because the mean of its divisors is an integer number (146857347).

Almost surely, 2^545470133 is an apocalyptic number.

It is an amenable number.

545470133 is a deficient number, since it is larger than the sum of its proper divisors (41959255).

545470133 is a wasteful number, since it uses less digits than its factorization.

545470133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41959254.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 545470133 is about 23355.3020318728. The cubic root of 545470133 is about 817.0657236361.

The spelling of 545470133 in words is "five hundred forty-five million, four hundred seventy thousand, one hundred thirty-three".