238006142 has 8 divisors (see below), whose sum is σ = 389464632. Its totient is φ = 108184600.

The previous prime is 238006121. The next prime is 238006147. The reversal of 238006142 is 241600832.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238006147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5409209 + ... + 5409252.

It is an arithmetic number, because the mean of its divisors is an integer number (48683079).

Almost surely, 2^238006142 is an apocalyptic number.

238006142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

238006142 is a deficient number, since it is larger than the sum of its proper divisors (151458490).

238006142 is a wasteful number, since it uses less digits than its factorization.

238006142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10818474.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 238006142 is about 15427.4476826207. The cubic root of 238006142 is about 619.7207743698.

Adding to 238006142 its reverse (241600832), we get a palindrome (479606974).

The spelling of 238006142 in words is "two hundred thirty-eight million, six thousand, one hundred forty-two".