106328945 has 4 divisors (see below), whose sum is σ = 127594740. Its totient is φ = 85063152.

The previous prime is 106328941. The next prime is 106328947. The reversal of 106328945 is 549823601.

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 82864609 + 23464336 = 9103^2 + 4844^2 .

It is a cyclic number.

It is not a de Polignac number, because 106328945 - 2² = 106328941 is a prime.

It is a super-2 number, since 2×106328945² = 22611689089626050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106328899 and 106328908.

It is not an unprimeable number, because it can be changed into a prime (106328941) 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, 10632890 + ... + 10632899.

It is an arithmetic number, because the mean of its divisors is an integer number (31898685).

Almost surely, 2^106328945 is an apocalyptic number.

It is an amenable number.

106328945 is a deficient number, since it is larger than the sum of its proper divisors (21265795).

106328945 is an equidigital number, since it uses as much as digits as its factorization.

106328945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21265794.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 106328945 is about 10311.5927479706. The cubic root of 106328945 is about 473.7513947926.

The spelling of 106328945 in words is "one hundred six million, three hundred twenty-eight thousand, nine hundred forty-five".