542156 has 24 divisors (see below), whose sum is σ = 1016064. Its totient is φ = 252560.

The previous prime is 542153. The next prime is 542167. The reversal of 542156 is 651245.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (542153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6491 + ... + 6573.

It is an arithmetic number, because the mean of its divisors is an integer number (42336).

2⁵⁴²¹⁵⁶ is an apocalyptic number.

It is an amenable number.

542156 is a deficient number, since it is larger than the sum of its proper divisors (473908).

542156 is a wasteful number, since it uses less digits than its factorization.

542156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 179 counting only the distinct ones).

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

The square root of 542156 is about 736.3124336856. The cubic root of 542156 is about 81.5407602204.

The spelling of 542156 in words is "five hundred forty-two thousand, one hundred fifty-six".