545256 has 24 divisors (see below), whose sum is σ = 1476930. Its totient is φ = 181728.

The previous prime is 545239. The next prime is 545257. The reversal of 545256 is 652545.

It can be written as a sum of positive squares in only one way, i.e., 285156 + 260100 = 534^2 + 510^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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 (545257) by changing a digit.

545256 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 5 ways as a sum of consecutive naturals, for example, 3715 + ... + 3858.

2⁵⁴⁵²⁵⁶ is an apocalyptic number.

It is an amenable number.

545256 is an abundant number, since it is smaller than the sum of its proper divisors (931674).

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

545256 is a wasteful number, since it uses less digits than its factorization.

545256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7585 (or 7578 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 545256 is about 738.4145177338. The cubic root of 545256 is about 81.6958792249.

The spelling of 545256 in words is "five hundred forty-five thousand, two hundred fifty-six".