158211132 has 24 divisors (see below), whose sum is σ = 369390672. Its totient is φ = 52704000.

The previous prime is 158211127. The next prime is 158211133. The reversal of 158211132 is 231112851.

158211132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158211133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22882 + ... + 28982.

It is an arithmetic number, because the mean of its divisors is an integer number (15391278).

Almost surely, 2^158211132 is an apocalyptic number.

158211132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

158211132 is an abundant number, since it is smaller than the sum of its proper divisors (211179540).

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

158211132 is a wasteful number, since it uses less digits than its factorization.

158211132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8269 (or 8267 counting only the distinct ones).

The product of its digits is 480, while the sum is 24.

The square root of 158211132 is about 12578.2006662320. The cubic root of 158211132 is about 540.8527131300.

Adding to 158211132 its reverse (231112851), we get a palindrome (389323983).

The spelling of 158211132 in words is "one hundred fifty-eight million, two hundred eleven thousand, one hundred thirty-two".