238785153 has 8 divisors (see below), whose sum is σ = 320221248. Its totient is φ = 158269584.

The previous prime is 238785137. The next prime is 238785221. The reversal of 238785153 is 351587832.

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

It is not a de Polignac number, because 238785153 - 2⁴ = 238785137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (238785133) 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 7 ways as a sum of consecutive naturals, for example, 229525 + ... + 230562.

It is an arithmetic number, because the mean of its divisors is an integer number (40027656).

Almost surely, 2^238785153 is an apocalyptic number.

It is an amenable number.

238785153 is a deficient number, since it is larger than the sum of its proper divisors (81436095).

238785153 is a wasteful number, since it uses less digits than its factorization.

238785153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460263.

The product of its digits is 201600, while the sum is 42.

The square root of 238785153 is about 15452.6746228606. The cubic root of 238785153 is about 620.3961680649.

The spelling of 238785153 in words is "two hundred thirty-eight million, seven hundred eighty-five thousand, one hundred fifty-three".