545912 has 8 divisors (see below), whose sum is σ = 1023600. Its totient is φ = 272952.

The previous prime is 545911. The next prime is 545917. The reversal of 545912 is 219545.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34112 + ... + 34127.

It is an arithmetic number, because the mean of its divisors is an integer number (127950).

2⁵⁴⁵⁹¹² is an apocalyptic number.

It is an amenable number.

545912 is a deficient number, since it is larger than the sum of its proper divisors (477688).

545912 is a wasteful number, since it uses less digits than its factorization.

545912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68245 (or 68241 counting only the distinct ones).

The product of its digits is 1800, while the sum is 26.

The square root of 545912 is about 738.8585791611. The cubic root of 545912 is about 81.7286289905.

The spelling of 545912 in words is "five hundred forty-five thousand, nine hundred twelve".