238142 has 16 divisors (see below), whose sum is σ = 387072. Its totient is φ = 109560.

The previous prime is 238141. The next prime is 238151. The reversal of 238142 is 241832.

It is a super-2 number, since 2×238142² = 113423224328, which contains 22 as substring.

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 238142.

It is not an unprimeable number, because it can be changed into a prime (238141) 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, 1343 + ... + 1509.

It is an arithmetic number, because the mean of its divisors is an integer number (24192).

2²³⁸¹⁴² is an apocalyptic number.

238142 is a deficient number, since it is larger than the sum of its proper divisors (148930).

238142 is a wasteful number, since it uses less digits than its factorization.

238142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223.

The product of its digits is 384, while the sum is 20.

The square root of 238142 is about 487.9979508154. The cubic root of 238142 is about 61.9838667700.

Adding to 238142 its reverse (241832), we get a palindrome (479974).

The spelling of 238142 in words is "two hundred thirty-eight thousand, one hundred forty-two".