106645449 has 8 divisors (see below), whose sum is σ = 142428352. Its totient is φ = 70979760.

The previous prime is 106645447. The next prime is 106645459. The reversal of 106645449 is 944546601.

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

It is not a de Polignac number, because 106645449 - 2¹ = 106645447 is a prime.

It is a super-2 number, since 2×106645449² = 22746503584823202, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (106645447) 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, 27157 + ... + 30834.

It is an arithmetic number, because the mean of its divisors is an integer number (17803544).

Almost surely, 2^106645449 is an apocalyptic number.

It is an amenable number.

106645449 is a deficient number, since it is larger than the sum of its proper divisors (35782903).

106645449 is an equidigital number, since it uses as much as digits as its factorization.

106645449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58607.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 106645449 is about 10326.9283429295. The cubic root of 106645449 is about 474.2209931066.

The spelling of 106645449 in words is "one hundred six million, six hundred forty-five thousand, four hundred forty-nine".