542146 has 16 divisors (see below), whose sum is σ = 934560. Its totient is φ = 233280.

The previous prime is 542141. The next prime is 542149. The reversal of 542146 is 641245.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (542141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231 + ... + 1066.

It is an arithmetic number, because the mean of its divisors is an integer number (58410).

2⁵⁴²¹⁴⁶ is an apocalyptic number.

542146 is a deficient number, since it is larger than the sum of its proper divisors (392414).

542146 is a wasteful number, since it uses less digits than its factorization.

542146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329.

The product of its digits is 960, while the sum is 22.

The square root of 542146 is about 736.3056430586. The cubic root of 542146 is about 81.5402588809.

Subtracting 542146 from its reverse (641245), we obtain a palindrome (99099).

The spelling of 542146 in words is "five hundred forty-two thousand, one hundred forty-six".