545148 has 36 divisors (see below), whose sum is σ = 1452360. Its totient is φ = 171936.

The previous prime is 545143. The next prime is 545161. The reversal of 545148 is 841545.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545141) by changing a digit.

545148 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 286 + ... + 1082.

2⁵⁴⁵¹⁴⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (726180).

545148 is an abundant number, since it is smaller than the sum of its proper divisors (907212).

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

545148 is a wasteful number, since it uses less digits than its factorization.

545148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826 (or 821 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 545148 is about 738.3413844557. The cubic root of 545148 is about 81.6904849773.

The spelling of 545148 in words is "five hundred forty-five thousand, one hundred forty-eight".