545448 has 16 divisors (see below), whose sum is σ = 1363680. Its totient is φ = 181808.

The previous prime is 545443. The next prime is 545449. The reversal of 545448 is 844545.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545443) by changing a digit.

545448 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11340 + ... + 11387.

It is an arithmetic number, because the mean of its divisors is an integer number (85230).

2⁵⁴⁵⁴⁴⁸ is an apocalyptic number.

It is an amenable number.

545448 is an abundant number, since it is smaller than the sum of its proper divisors (818232).

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

545448 is a wasteful number, since it uses less digits than its factorization.

545448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22736 (or 22732 counting only the distinct ones).

The product of its digits is 12800, while the sum is 30.

The square root of 545448 is about 738.5445145690. The cubic root of 545448 is about 81.7054672398.

The spelling of 545448 in words is "five hundred forty-five thousand, four hundred forty-eight".