106445569 has 4 divisors (see below), whose sum is σ = 107543044. Its totient is φ = 105348096.

The previous prime is 106445567. The next prime is 106445579. The reversal of 106445569 is 965544601.

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 19713600 + 86731969 = 4440^2 + 9313^2 .

It is a cyclic number.

It is not a de Polignac number, because 106445569 - 2¹ = 106445567 is a prime.

It is a super-2 number, since 2×106445569² = 22661318319467522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106445567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 548592 + ... + 548785.

It is an arithmetic number, because the mean of its divisors is an integer number (26885761).

Almost surely, 2^106445569 is an apocalyptic number.

It is an amenable number.

106445569 is a deficient number, since it is larger than the sum of its proper divisors (1097475).

106445569 is an equidigital number, since it uses as much as digits as its factorization.

106445569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097474.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 106445569 is about 10317.2461926621. The cubic root of 106445569 is about 473.9245385992.

The spelling of 106445569 in words is "one hundred six million, four hundred forty-five thousand, five hundred sixty-nine".