543156 has 12 divisors (see below), whose sum is σ = 1267392. Its totient is φ = 181048.

The previous prime is 543149. The next prime is 543157. The reversal of 543156 is 651345.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (543157) by changing a digit.

543156 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 3 ways as a sum of consecutive naturals, for example, 22620 + ... + 22643.

It is an arithmetic number, because the mean of its divisors is an integer number (105616).

2⁵⁴³¹⁵⁶ is an apocalyptic number.

It is an amenable number.

543156 is an abundant number, since it is smaller than the sum of its proper divisors (724236).

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

543156 is a wasteful number, since it uses less digits than its factorization.

543156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45270 (or 45268 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 543156 is about 736.9911804086. The cubic root of 543156 is about 81.5908630677.

The spelling of 543156 in words is "five hundred forty-three thousand, one hundred fifty-six".