106443645 has 64 divisors (see below), whose sum is σ = 214050816. Its totient is φ = 43879680.

The previous prime is 106443593. The next prime is 106443661. The reversal of 106443645 is 546344601.

It is not a de Polignac number, because 106443645 - 2⁶ = 106443581 is a prime.

It is a super-2 number, since 2×106443645² = 22660499121772050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 181042 + ... + 181628.

It is an arithmetic number, because the mean of its divisors is an integer number (3344544).

Almost surely, 2^106443645 is an apocalyptic number.

106443645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

106443645 is an abundant number, since it is smaller than the sum of its proper divisors (107607171).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

106443645 is a wasteful number, since it uses less digits than its factorization.

106443645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 106443645 is about 10317.1529503056. The cubic root of 106443645 is about 473.9216831921.

The spelling of 106443645 in words is "one hundred six million, four hundred forty-three thousand, six hundred forty-five".