238159285 has 16 divisors (see below), whose sum is σ = 351743616. Its totient is φ = 150746688.

The previous prime is 238159261. The next prime is 238159291. The reversal of 238159285 is 582951832.

It is a cyclic number.

It is not a de Polignac number, because 238159285 - 2⁹ = 238158773 is a prime.

It is a super-2 number, since 2×238159285² = 113439690063422450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 261259 + ... + 262168.

It is an arithmetic number, because the mean of its divisors is an integer number (21983976).

Almost surely, 2^238159285 is an apocalyptic number.

It is an amenable number.

238159285 is a deficient number, since it is larger than the sum of its proper divisors (113584331).

238159285 is a wasteful number, since it uses less digits than its factorization.

238159285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523452.

The product of its digits is 172800, while the sum is 43.

The square root of 238159285 is about 15432.4102135733. The cubic root of 238159285 is about 619.8536638680.

The spelling of 238159285 in words is "two hundred thirty-eight million, one hundred fifty-nine thousand, two hundred eighty-five".