158231241 has 27 divisors (see below), whose sum is σ = 266316141. Its totient is φ = 90266904.

The previous prime is 158231219. The next prime is 158231261. The reversal of 158231241 is 142132851.

The square root of 158231241 is 12579.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 158231241 - 2⁹ = 158230729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (158231261) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 263860 + ... + 264458.

Almost surely, 2^158231241 is an apocalyptic number.

158231241 is the 12579-th square number.

158231241 is the 6290-th centered octagonal number.

It is an amenable number.

158231241 is a deficient number, since it is larger than the sum of its proper divisors (108084900).

158231241 is an frugal number, since it uses more digits than its factorization.

158231241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218 (or 609 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The cubic root of 158231241 is about 540.8756267019.

It can be divided in two parts, 15823124 and 1, that added together give a triangular number (15823125 = T₅₆₂₅).

The spelling of 158231241 in words is "one hundred fifty-eight million, two hundred thirty-one thousand, two hundred forty-one".