158742208 has 42 divisors (see below), whose sum is σ = 321423284. Its totient is φ = 77785344.

The previous prime is 158742203. The next prime is 158742217. The reversal of 158742208 is 802247851.

It is not an unprimeable number, because it can be changed into a prime (158742203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 179335 + ... + 180217.

Almost surely, 2^158742208 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 158742208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160711642).

158742208 is an abundant number, since it is smaller than the sum of its proper divisors (162681076).

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

158742208 is an frugal number, since it uses more digits than its factorization.

158742208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001 (or 938 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 158742208 is about 12599.2939484719. The cubic root of 158742208 is about 541.4572072609.

The spelling of 158742208 in words is "one hundred fifty-eight million, seven hundred forty-two thousand, two hundred eight".