238044018147 has 8 divisors (see below), whose sum is σ = 341806795344. Its totient is φ = 146488626528.

The previous prime is 238044018139. The next prime is 238044018169. The reversal of 238044018147 is 741810440832.

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

It is not a de Polignac number, because 238044018147 - 2³ = 238044018139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 238044018099 and 238044018108.

It is not an unprimeable number, because it can be changed into a prime (238044018187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3051846348 + ... + 3051846425.

It is an arithmetic number, because the mean of its divisors is an integer number (42725849418).

Almost surely, 2^238044018147 is an apocalyptic number.

238044018147 is a deficient number, since it is larger than the sum of its proper divisors (103762777197).

238044018147 is a wasteful number, since it uses less digits than its factorization.

238044018147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6103692789.

The product of its (nonzero) digits is 172032, while the sum is 42.

Adding to 238044018147 its reverse (741810440832), we get a palindrome (979854458979).

The spelling of 238044018147 in words is "two hundred thirty-eight billion, forty-four million, eighteen thousand, one hundred forty-seven".