106403345 has 8 divisors (see below), whose sum is σ = 128004840. Its totient is φ = 84908800.

The previous prime is 106403329. The next prime is 106403393. The reversal of 106403345 is 543304601.

It can be written as a sum of positive squares in 4 ways, for example, as 75411856 + 30991489 = 8684^2 + 5567^2 .

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

It is not a de Polignac number, because 106403345 - 2⁴ = 106403329 is a prime.

It is a super-2 number, since 2×106403345² = 22643343654378050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24530 + ... + 28539.

It is an arithmetic number, because the mean of its divisors is an integer number (16000605).

Almost surely, 2^106403345 is an apocalyptic number.

It is an amenable number.

106403345 is a deficient number, since it is larger than the sum of its proper divisors (21601495).

106403345 is an equidigital number, since it uses as much as digits as its factorization.

106403345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53475.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 106403345 is about 10315.1997072282. The cubic root of 106403345 is about 473.8618660790.

Adding to 106403345 its reverse (543304601), we get a palindrome (649707946).

The spelling of 106403345 in words is "one hundred six million, four hundred three thousand, three hundred forty-five".