538142 has 16 divisors (see below), whose sum is σ = 897264. Its totient is φ = 240000.

The previous prime is 538127. The next prime is 538147. The reversal of 538142 is 241835.

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 538142.

It is not an unprimeable number, because it can be changed into a prime (538147) 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, 1142 + ... + 1542.

It is an arithmetic number, because the mean of its divisors is an integer number (56079).

2⁵³⁸¹⁴² is an apocalyptic number.

538142 is a deficient number, since it is larger than the sum of its proper divisors (359122).

538142 is a wasteful number, since it uses less digits than its factorization.

538142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475.

The product of its digits is 960, while the sum is 23.

The square root of 538142 is about 733.5816246336. The cubic root of 538142 is about 81.3390251026.

Adding to 538142 its reverse (241835), we get a palindrome (779977).

The spelling of 538142 in words is "five hundred thirty-eight thousand, one hundred forty-two".