238475730146 has 8 divisors (see below), whose sum is σ = 357721776300. Its totient is φ = 119235138048.

The previous prime is 238475730127. The next prime is 238475730149. The reversal of 238475730146 is 641037574832.

238475730146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 232598821225 + 5876908921 = 482285^2 + 76661^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 238475730094 and 238475730103.

It is not an unprimeable number, because it can be changed into a prime (238475730149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1252391 + ... + 1430186.

Almost surely, 2^238475730146 is an apocalyptic number.

238475730146 is a deficient number, since it is larger than the sum of its proper divisors (119246046154).

238475730146 is a wasteful number, since it uses less digits than its factorization.

238475730146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2727028.

The product of its (nonzero) digits is 3386880, while the sum is 50.

The spelling of 238475730146 in words is "two hundred thirty-eight billion, four hundred seventy-five million, seven hundred thirty thousand, one hundred forty-six".