238150081 has 12 divisors (see below), whose sum is σ = 262073812. Its totient is φ = 215127648.

The previous prime is 238150063. The next prime is 238150141. The reversal of 238150081 is 180051832.

It can be written as a sum of positive squares in 2 ways, for example, as 43296400 + 194853681 = 6580^2 + 13959^2 .

It is a de Polignac number, because none of the positive numbers 2^k-238150081 is a prime.

It is a super-2 number, since 2×238150081² = 113430922160613122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (238150051) 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 11 ways as a sum of consecutive naturals, for example, 24571 + ... + 32863.

Almost surely, 2^238150081 is an apocalyptic number.

It is an amenable number.

238150081 is a deficient number, since it is larger than the sum of its proper divisors (23923731).

238150081 is an equidigital number, since it uses as much as digits as its factorization.

238150081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8400 (or 8353 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 238150081 is about 15432.1120071104. The cubic root of 238150081 is about 619.8456787267.

The spelling of 238150081 in words is "two hundred thirty-eight million, one hundred fifty thousand, eighty-one".