158822085 has 16 divisors (see below), whose sum is σ = 257598144. Its totient is φ = 83544192.

The previous prime is 158822033. The next prime is 158822089. The reversal of 158822085 is 580228851.

It is not a de Polignac number, because 158822085 - 2⁹ = 158821573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158822089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71427 + ... + 73616.

It is an arithmetic number, because the mean of its divisors is an integer number (16099884).

Almost surely, 2^158822085 is an apocalyptic number.

158822085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

158822085 is a deficient number, since it is larger than the sum of its proper divisors (98776059).

158822085 is a wasteful number, since it uses less digits than its factorization.

158822085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145124.

The product of its (nonzero) digits is 51200, while the sum is 39.

The square root of 158822085 is about 12602.4634496594. The cubic root of 158822085 is about 541.5480100907.

It can be divided in two parts, 15 and 8822085, that added together give a triangular number (8822100 = T₄₂₀₀).

The spelling of 158822085 in words is "one hundred fifty-eight million, eight hundred twenty-two thousand, eighty-five".