158271932 has 24 divisors (see below), whose sum is σ = 340894176. Its totient is φ = 62612928.

The previous prime is 158271923. The next prime is 158271961. The reversal of 158271932 is 239172851.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217043 + ... + 217770.

It is an arithmetic number, because the mean of its divisors is an integer number (14203924).

Almost surely, 2^158271932 is an apocalyptic number.

It is an amenable number.

158271932 is an abundant number, since it is smaller than the sum of its proper divisors (182622244).

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

158271932 is a wasteful number, since it uses less digits than its factorization.

158271932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434837 (or 434835 counting only the distinct ones).

The product of its digits is 30240, while the sum is 38.

The square root of 158271932 is about 12580.6173139477. The cubic root of 158271932 is about 540.9219868763.

The spelling of 158271932 in words is "one hundred fifty-eight million, two hundred seventy-one thousand, nine hundred thirty-two".