105072159 has 4 divisors (see below), whose sum is σ = 140096216. Its totient is φ = 70048104.

The previous prime is 105072157. The next prime is 105072161. The reversal of 105072159 is 951270501.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (105072157) and next prime (105072161).

It is not a de Polignac number, because 105072159 - 2¹ = 105072157 is a prime.

It is a super-2 number, since 2×105072159² = 22080317193842562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105072151) 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 3 ways as a sum of consecutive naturals, for example, 17512024 + ... + 17512029.

It is an arithmetic number, because the mean of its divisors is an integer number (35024054).

Almost surely, 2^105072159 is an apocalyptic number.

105072159 is a deficient number, since it is larger than the sum of its proper divisors (35024057).

105072159 is an equidigital number, since it uses as much as digits as its factorization.

105072159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35024056.

The product of its (nonzero) digits is 3150, while the sum is 30.

The square root of 105072159 is about 10250.4711599028. The cubic root of 105072159 is about 471.8774444211.

The spelling of 105072159 in words is "one hundred five million, seventy-two thousand, one hundred fifty-nine".