238043157 has 16 divisors (see below), whose sum is σ = 346510848. Its totient is φ = 144157680.

The previous prime is 238043137. The next prime is 238043159. The reversal of 238043157 is 751340832.

It is not a de Polignac number, because 238043157 - 2¹¹ = 238041109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238043159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67008 + ... + 70470.

It is an arithmetic number, because the mean of its divisors is an integer number (21656928).

Almost surely, 2^238043157 is an apocalyptic number.

It is an amenable number.

238043157 is a deficient number, since it is larger than the sum of its proper divisors (108467691).

238043157 is a wasteful number, since it uses less digits than its factorization.

238043157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5560.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 238043157 is about 15428.6472835437. The cubic root of 238043157 is about 619.7528992766.

Adding to 238043157 its reverse (751340832), we get a palindrome (989383989).

The spelling of 238043157 in words is "two hundred thirty-eight million, forty-three thousand, one hundred fifty-seven".