238152171 has 16 divisors (see below), whose sum is σ = 321711104. Its totient is φ = 156691584.

The previous prime is 238152151. The next prime is 238152191. The reversal of 238152171 is 171251832.

It is an interprime number because it is at equal distance from previous prime (238152151) and next prime (238152191).

It is not a de Polignac number, because 238152171 - 2⁶ = 238152107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (238152121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102990 + ... + 105276.

It is an arithmetic number, because the mean of its divisors is an integer number (20106944).

Almost surely, 2^238152171 is an apocalyptic number.

238152171 is a deficient number, since it is larger than the sum of its proper divisors (83558933).

238152171 is a wasteful number, since it uses less digits than its factorization.

238152171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2730.

The product of its digits is 3360, while the sum is 30.

The square root of 238152171 is about 15432.1797229037. The cubic root of 238152171 is about 619.8474919722.

The spelling of 238152171 in words is "two hundred thirty-eight million, one hundred fifty-two thousand, one hundred seventy-one".