158038238 has 16 divisors (see below), whose sum is σ = 250800000. Its totient is φ = 74480472.

The previous prime is 158038207. The next prime is 158038247. The reversal of 158038238 is 832830851.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2888 + ... + 18011.

It is an arithmetic number, because the mean of its divisors is an integer number (15675000).

Almost surely, 2^158038238 is an apocalyptic number.

158038238 is a deficient number, since it is larger than the sum of its proper divisors (92761762).

158038238 is a wasteful number, since it uses less digits than its factorization.

158038238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21119.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 158038238 is about 12571.3260239324. The cubic root of 158038238 is about 540.6556257078.

The spelling of 158038238 in words is "one hundred fifty-eight million, thirty-eight thousand, two hundred thirty-eight".