545190 has 32 divisors (see below), whose sum is σ = 1386720. Its totient is φ = 136704.

The previous prime is 545189. The next prime is 545203. The reversal of 545190 is 91545.

It is a super-2 number, since 2×545190² = 594464272200, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 545190.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25 + ... + 1044.

It is an arithmetic number, because the mean of its divisors is an integer number (43335).

2⁵⁴⁵¹⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (693360).

545190 is an abundant number, since it is smaller than the sum of its proper divisors (841530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545190 is a wasteful number, since it uses less digits than its factorization.

545190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 545190 is about 738.3698260357. The cubic root of 545190 is about 81.6925828249.

The spelling of 545190 in words is "five hundred forty-five thousand, one hundred ninety".