528142 has 4 divisors (see below), whose sum is σ = 792216. Its totient is φ = 264070.

The previous prime is 528137. The next prime is 528163. The reversal of 528142 is 241825.

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 an unprimeable number.

528142 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 as a sum of consecutive naturals, namely, 132034 + ... + 132037.

It is an arithmetic number, because the mean of its divisors is an integer number (198054).

2⁵²⁸¹⁴² is an apocalyptic number.

528142 is a deficient number, since it is larger than the sum of its proper divisors (264074).

528142 is a wasteful number, since it uses less digits than its factorization.

528142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264073.

The product of its digits is 640, while the sum is 22.

The square root of 528142 is about 726.7337889489. The cubic root of 528142 is about 80.8320454206.

Adding to 528142 its reverse (241825), we get a palindrome (769967).

The spelling of 528142 in words is "five hundred twenty-eight thousand, one hundred forty-two".