238870142 has 16 divisors (see below), whose sum is σ = 415605120. Its totient is φ = 100844568.

The previous prime is 238870133. The next prime is 238870153. The reversal of 238870142 is 241078832.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 126392 + ... + 128267.

It is an arithmetic number, because the mean of its divisors is an integer number (25975320).

Almost surely, 2^238870142 is an apocalyptic number.

238870142 is a deficient number, since it is larger than the sum of its proper divisors (176734978).

238870142 is a wasteful number, since it uses less digits than its factorization.

238870142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254735.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 238870142 is about 15455.4243552223. The cubic root of 238870142 is about 620.4697636451.

The spelling of 238870142 in words is "two hundred thirty-eight million, eight hundred seventy thousand, one hundred forty-two".