238115154 has 32 divisors (see below), whose sum is σ = 492539904. Its totient is φ = 76663440.

The previous prime is 238115153. The next prime is 238115173. The reversal of 238115154 is 451511832.

It is not an unprimeable number, because it can be changed into a prime (238115153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137337 + ... + 139059.

It is an arithmetic number, because the mean of its divisors is an integer number (15391872).

Almost surely, 2^238115154 is an apocalyptic number.

238115154 is an abundant number, since it is smaller than the sum of its proper divisors (254424750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

238115154 is a wasteful number, since it uses less digits than its factorization.

238115154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2502.

The product of its digits is 4800, while the sum is 30.

The square root of 238115154 is about 15430.9803317871. The cubic root of 238115154 is about 619.8153751350.

Adding to 238115154 its reverse (451511832), we get a palindrome (689626986).

The spelling of 238115154 in words is "two hundred thirty-eight million, one hundred fifteen thousand, one hundred fifty-four".