106105549 has 4 divisors (see below), whose sum is σ = 115751520. Its totient is φ = 96459580.

The previous prime is 106105543. The next prime is 106105561. The reversal of 106105549 is 945501601.

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: 945501601 = 11 ⋅85954691.

It is a cyclic number.

It is not a de Polignac number, because 106105549 - 2¹⁹ = 105581261 is a prime.

It is a super-2 number, since 2×106105549² = 22516775057182802, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 106105549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106105543) 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, 4822969 + ... + 4822990.

It is an arithmetic number, because the mean of its divisors is an integer number (28937880).

Almost surely, 2^106105549 is an apocalyptic number.

It is an amenable number.

106105549 is a deficient number, since it is larger than the sum of its proper divisors (9645971).

106105549 is an equidigital number, since it uses as much as digits as its factorization.

106105549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9645970.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 106105549 is about 10300.7547781704. The cubic root of 106105549 is about 473.4193799242.

The spelling of 106105549 in words is "one hundred six million, one hundred five thousand, five hundred forty-nine".