106745 has 8 divisors (see below), whose sum is σ = 131784. Its totient is φ = 82944.

The previous prime is 106739. The next prime is 106747. The reversal of 106745 is 547601.

It can be written as a sum of positive squares in 4 ways, for example, as 65536 + 41209 = 256^2 + 203^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 106745 - 2⁶ = 106681 is a prime.

It is a super-2 number, since 2×106745² = 22788990050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 106745.

It is not an unprimeable number, because it can be changed into a prime (106747) 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, 104 + ... + 473.

It is an arithmetic number, because the mean of its divisors is an integer number (16473).

2¹⁰⁶⁷⁴⁵ is an apocalyptic number.

It is an amenable number.

106745 is a deficient number, since it is larger than the sum of its proper divisors (25039).

106745 is an equidigital number, since it uses as much as digits as its factorization.

106745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 106745 is about 326.7185332974. The cubic root of 106745 is about 47.4368505237.

The spelling of 106745 in words is "one hundred six thousand, seven hundred forty-five".