100158085 has 8 divisors (see below), whose sum is σ = 120548376. Its totient is φ = 79887360.

The previous prime is 100158061. The next prime is 100158089. The reversal of 100158085 is 580851001.

It can be written as a sum of positive squares in 4 ways, for example, as 178084 + 99980001 = 422^2 + 9999^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100158085 - 2⁵ = 100158053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100158089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28036 + ... + 31405.

It is an arithmetic number, because the mean of its divisors is an integer number (15068547).

Almost surely, 2^100158085 is an apocalyptic number.

It is an amenable number.

100158085 is a deficient number, since it is larger than the sum of its proper divisors (20390291).

100158085 is an equidigital number, since it uses as much as digits as its factorization.

100158085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59783.

The product of its (nonzero) digits is 1600, while the sum is 28.

The square root of 100158085 is about 10007.9011286083. The cubic root of 100158085 is about 464.4033431120.

The spelling of 100158085 in words is "one hundred million, one hundred fifty-eight thousand, eighty-five".