158749338 has 48 divisors (see below), whose sum is σ = 350481600. Its totient is φ = 47900160.

The previous prime is 158749333. The next prime is 158749343. The reversal of 158749338 is 833947851.

158749338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (158749333) and next prime (158749343).

It is not an unprimeable number, because it can be changed into a prime (158749333) 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, 325731 + ... + 326217.

It is an arithmetic number, because the mean of its divisors is an integer number (7301700).

Almost surely, 2^158749338 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158749338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175240800).

158749338 is an abundant number, since it is smaller than the sum of its proper divisors (191732262).

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

158749338 is a wasteful number, since it uses less digits than its factorization.

158749338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963 (or 952 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 158749338 is about 12599.5768976581. The cubic root of 158749338 is about 541.4653137629.

The spelling of 158749338 in words is "one hundred fifty-eight million, seven hundred forty-nine thousand, three hundred thirty-eight".