238155 has 8 divisors (see below), whose sum is σ = 381072. Its totient is φ = 127008.

The previous prime is 238151. The next prime is 238157. The reversal of 238155 is 551832.

238155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 238155 - 2² = 238151 is a prime.

238155 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (238151) 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, 7924 + ... + 7953.

It is an arithmetic number, because the mean of its divisors is an integer number (47634).

2²³⁸¹⁵⁵ is an apocalyptic number.

238155 is a deficient number, since it is larger than the sum of its proper divisors (142917).

238155 is a wasteful number, since it uses less digits than its factorization.

238155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15885.

The product of its digits is 1200, while the sum is 24.

The square root of 238155 is about 488.0112703617. The cubic root of 238155 is about 61.9849946344.

Adding to 238155 its reverse (551832), we get a palindrome (789987).

It can be divided in two parts, 238 and 155, that added together give a palindrome (393).

The spelling of 238155 in words is "two hundred thirty-eight thousand, one hundred fifty-five".