158338128 has 120 divisors (see below), whose sum is σ = 449301600. Its totient is φ = 48023040.

The previous prime is 158338121. The next prime is 158338151. The reversal of 158338128 is 821833851.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158338121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1062598 + ... + 1062746.

It is an arithmetic number, because the mean of its divisors is an integer number (3744180).

Almost surely, 2^158338128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158338128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224650800).

158338128 is an abundant number, since it is smaller than the sum of its proper divisors (290963472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158338128 is a wasteful number, since it uses less digits than its factorization.

158338128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317 (or 298 counting only the distinct ones).

The product of its digits is 46080, while the sum is 39.

The square root of 158338128 is about 12583.2479114098. The cubic root of 158338128 is about 540.9973884980.

The spelling of 158338128 in words is "one hundred fifty-eight million, three hundred thirty-eight thousand, one hundred twenty-eight".