545612 has 6 divisors (see below), whose sum is σ = 954828. Its totient is φ = 272804.

The previous prime is 545609. The next prime is 545617. The reversal of 545612 is 216545.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (545617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68198 + ... + 68205.

It is an arithmetic number, because the mean of its divisors is an integer number (159138).

2⁵⁴⁵⁶¹² is an apocalyptic number.

It is an amenable number.

545612 is a deficient number, since it is larger than the sum of its proper divisors (409216).

545612 is a wasteful number, since it uses less digits than its factorization.

545612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136407 (or 136405 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 545612 is about 738.6555354155. The cubic root of 545612 is about 81.7136552210.

The spelling of 545612 in words is "five hundred forty-five thousand, six hundred twelve".