106445399 has 8 divisors (see below), whose sum is σ = 110270160. Its totient is φ = 102630976.

The previous prime is 106445371. The next prime is 106445407. The reversal of 106445399 is 993544601.

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-106445399 is a prime.

It is a super-2 number, since 2×106445399² = 22661245936538402, 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 (106445309) 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, 22712 + ... + 26994.

It is an arithmetic number, because the mean of its divisors is an integer number (13783770).

Almost surely, 2^106445399 is an apocalyptic number.

106445399 is a deficient number, since it is larger than the sum of its proper divisors (3824761).

106445399 is an equidigital number, since it uses as much as digits as its factorization.

106445399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5169.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 106445399 is about 10317.2379540263. The cubic root of 106445399 is about 473.9242863037.

The spelling of 106445399 in words is "one hundred six million, four hundred forty-five thousand, three hundred ninety-nine".