238145799 has 8 divisors (see below), whose sum is σ = 317716480. Its totient is φ = 158669496.

The previous prime is 238145797. The next prime is 238145821. The reversal of 238145799 is 997541832.

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

It is not a de Polignac number, because 238145799 - 2¹ = 238145797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238145797) 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, 17479 + ... + 27960.

It is an arithmetic number, because the mean of its divisors is an integer number (39714560).

Almost surely, 2^238145799 is an apocalyptic number.

238145799 is a deficient number, since it is larger than the sum of its proper divisors (79570681).

238145799 is a wasteful number, since it uses less digits than its factorization.

238145799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47189.

The product of its digits is 544320, while the sum is 48.

The square root of 238145799 is about 15431.9732698058. The cubic root of 238145799 is about 619.8419637093.

The spelling of 238145799 in words is "two hundred thirty-eight million, one hundred forty-five thousand, seven hundred ninety-nine".