545199 has 8 divisors (see below), whose sum is σ = 730752. Its totient is φ = 361560.

The previous prime is 545189. The next prime is 545203. The reversal of 545199 is 991545.

545199 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 not a de Polignac number, because 545199 - 2¹³ = 537007 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545189) 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, 444 + ... + 1134.

It is an arithmetic number, because the mean of its divisors is an integer number (91344).

2⁵⁴⁵¹⁹⁹ is an apocalyptic number.

545199 is a deficient number, since it is larger than the sum of its proper divisors (185553).

545199 is a wasteful number, since it uses less digits than its factorization.

545199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957.

The product of its digits is 8100, while the sum is 33.

The square root of 545199 is about 738.3759205175. The cubic root of 545199 is about 81.6930323497.

It can be divided in two parts, 54 and 5199, that added together give a triangular number (5253 = T₁₀₂).

The spelling of 545199 in words is "five hundred forty-five thousand, one hundred ninety-nine".