545844 has 24 divisors (see below), whose sum is σ = 1372000. Its totient is φ = 167904.

The previous prime is 545843. The next prime is 545863. The reversal of 545844 is 448545.

545844 = T₃₂ + T₃₃ + ... + T₁₄₈.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545843) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1594 + ... + 1905.

2⁵⁴⁵⁸⁴⁴ is an apocalyptic number.

It is an amenable number.

545844 is an abundant number, since it is smaller than the sum of its proper divisors (826156).

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

545844 is a wasteful number, since it uses less digits than its factorization.

545844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3519 (or 3517 counting only the distinct ones).

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

The square root of 545844 is about 738.8125608028. The cubic root of 545844 is about 81.7252354170.

The spelling of 545844 in words is "five hundred forty-five thousand, eight hundred forty-four".