158092231 has 32 divisors (see below), whose sum is σ = 190721088. Its totient is φ = 129392640.

The previous prime is 158092229. The next prime is 158092237. The reversal of 158092231 is 132290851.

It is a cyclic number.

It is not a de Polignac number, because 158092231 - 2¹ = 158092229 is a prime.

It is a super-2 number, since 2×158092231² = 49986307005114722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 158092193 and 158092202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158092237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 504931 + ... + 505243.

It is an arithmetic number, because the mean of its divisors is an integer number (5960034).

Almost surely, 2^158092231 is an apocalyptic number.

158092231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

158092231 is a deficient number, since it is larger than the sum of its proper divisors (32628857).

158092231 is a wasteful number, since it uses less digits than its factorization.

158092231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 158092231 is about 12573.4733069268. The cubic root of 158092231 is about 540.7171894909.

The spelling of 158092231 in words is "one hundred fifty-eight million, ninety-two thousand, two hundred thirty-one".