505142 has 8 divisors (see below), whose sum is σ = 826632. Its totient is φ = 229600.

The previous prime is 505139. The next prime is 505157. The reversal of 505142 is 241505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 505142.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 505142.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11459 + ... + 11502.

It is an arithmetic number, because the mean of its divisors is an integer number (103329).

2⁵⁰⁵¹⁴² is an apocalyptic number.

505142 is a deficient number, since it is larger than the sum of its proper divisors (321490).

505142 is a wasteful number, since it uses less digits than its factorization.

505142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22974.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 505142 is about 710.7334240065. The cubic root of 505142 is about 79.6412057391.

Adding to 505142 its reverse (241505), we get a palindrome (746647).

The spelling of 505142 in words is "five hundred five thousand, one hundred forty-two".