105118149 has 4 divisors (see below), whose sum is σ = 140157536. Its totient is φ = 70078764.

The previous prime is 105118129. The next prime is 105118201. The reversal of 105118149 is 941811501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 941811501 = 3 ⋅313937167.

It is not a de Polignac number, because 105118149 - 2¹¹ = 105116101 is a prime.

It is a super-2 number, since 2×105118149² = 22099650498372402, 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 (105118129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17519689 + ... + 17519694.

It is an arithmetic number, because the mean of its divisors is an integer number (35039384).

Almost surely, 2^105118149 is an apocalyptic number.

It is an amenable number.

105118149 is a deficient number, since it is larger than the sum of its proper divisors (35039387).

105118149 is an equidigital number, since it uses as much as digits as its factorization.

105118149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35039386.

The product of its (nonzero) digits is 1440, while the sum is 30.

The square root of 105118149 is about 10252.7142259989. The cubic root of 105118149 is about 471.9462811722.

The spelling of 105118149 in words is "one hundred five million, one hundred eighteen thousand, one hundred forty-nine".