105875149 has 4 divisors (see below), whose sum is σ = 105895836. Its totient is φ = 105854464.

The previous prime is 105875131. The next prime is 105875177. The reversal of 105875149 is 941578501.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 39778249 + 66096900 = 6307^2 + 8130^2 .

It is a cyclic number.

It is not a de Polignac number, because 105875149 - 2¹¹ = 105873101 is a prime.

It is a super-2 number, since 2×105875149² = 22419094351544402, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105875179) 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, 3597 + ... + 14989.

It is an arithmetic number, because the mean of its divisors is an integer number (26473959).

Almost surely, 2^105875149 is an apocalyptic number.

It is an amenable number.

105875149 is a deficient number, since it is larger than the sum of its proper divisors (20687).

105875149 is an equidigital number, since it uses as much as digits as its factorization.

105875149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20686.

The product of its (nonzero) digits is 50400, while the sum is 40.

The square root of 105875149 is about 10289.5650539758. The cubic root of 105875149 is about 473.0764670686.

The spelling of 105875149 in words is "one hundred five million, eight hundred seventy-five thousand, one hundred forty-nine".