158258265 has 32 divisors (see below), whose sum is σ = 281460096. Its totient is φ = 75279360.

The previous prime is 158258227. The next prime is 158258267. The reversal of 158258265 is 562852851.

It is not a de Polignac number, because 158258265 - 2⁷ = 158258137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (158258267) 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, 304 + ... + 17793.

It is an arithmetic number, because the mean of its divisors is an integer number (8795628).

Almost surely, 2^158258265 is an apocalyptic number.

158258265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

158258265 is a deficient number, since it is larger than the sum of its proper divisors (123201831).

158258265 is a wasteful number, since it uses less digits than its factorization.

158258265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18169.

The product of its digits is 192000, while the sum is 42.

The square root of 158258265 is about 12580.0741253778. The cubic root of 158258265 is about 540.9064166411.

It can be divided in two parts, 15825 and 8265, that added together give a triangular number (24090 = T₂₁₉).

The spelling of 158258265 in words is "one hundred fifty-eight million, two hundred fifty-eight thousand, two hundred sixty-five".