158438371 has 16 divisors (see below), whose sum is σ = 197478400. Its totient is φ = 123765408.

The previous prime is 158438353. The next prime is 158438377. The reversal of 158438371 is 173834851.

It is not a de Polignac number, because 158438371 - 2¹¹ = 158436323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (158438377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3831 + ... + 18208.

It is an arithmetic number, because the mean of its divisors is an integer number (12342400).

Almost surely, 2^158438371 is an apocalyptic number.

158438371 is a deficient number, since it is larger than the sum of its proper divisors (39040029).

158438371 is a wasteful number, since it uses less digits than its factorization.

158438371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22138.

The product of its digits is 80640, while the sum is 40.

The square root of 158438371 is about 12587.2304737778. The cubic root of 158438371 is about 541.1115319062. Note that the first 3 decimals are identical.

The spelling of 158438371 in words is "one hundred fifty-eight million, four hundred thirty-eight thousand, three hundred seventy-one".