564142 has 4 divisors (see below), whose sum is σ = 846216. Its totient is φ = 282070.

The previous prime is 564133. The next prime is 564149. The reversal of 564142 is 241465.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564149) by changing a digit.

564142 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141034 + ... + 141037.

It is an arithmetic number, because the mean of its divisors is an integer number (211554).

2⁵⁶⁴¹⁴² is an apocalyptic number.

564142 is a deficient number, since it is larger than the sum of its proper divisors (282074).

564142 is a wasteful number, since it uses less digits than its factorization.

564142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282073.

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

The square root of 564142 is about 751.0938689671. The cubic root of 564142 is about 82.6284256298.

The spelling of 564142 in words is "five hundred sixty-four thousand, one hundred forty-two".