105344189 has 8 divisors (see below), whose sum is σ = 117411840. Its totient is φ = 93928896.

The previous prime is 105344171. The next prime is 105344201. The reversal of 105344189 is 981443501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105344189 is a prime.

It is a super-2 number, since 2×105344189² = 22194796312135442, 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 (105344119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162749 + ... + 163394.

It is an arithmetic number, because the mean of its divisors is an integer number (14676480).

Almost surely, 2^105344189 is an apocalyptic number.

105344189 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

105344189 is a deficient number, since it is larger than the sum of its proper divisors (12067651).

105344189 is a wasteful number, since it uses less digits than its factorization.

105344189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326179.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 105344189 is about 10263.7317287622. The cubic root of 105344189 is about 472.2843210012.

The spelling of 105344189 in words is "one hundred five million, three hundred forty-four thousand, one hundred eighty-nine".