106009345 has 8 divisors (see below), whose sum is σ = 136996776. Its totient is φ = 78283776.

The previous prime is 106009327. The next prime is 106009361. The reversal of 106009345 is 543900601.

It can be written as a sum of positive squares in 4 ways, for example, as 3837681 + 102171664 = 1959^2 + 10108^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 106009345 - 2¹³ = 106001153 is a prime.

It is a super-2 number, since 2×106009345² = 22475962454658050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 815392 + ... + 815521.

It is an arithmetic number, because the mean of its divisors is an integer number (17124597).

Almost surely, 2^106009345 is an apocalyptic number.

It is an amenable number.

106009345 is a deficient number, since it is larger than the sum of its proper divisors (30987431).

106009345 is a wasteful number, since it uses less digits than its factorization.

106009345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630931.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 106009345 is about 10296.0839643041. The cubic root of 106009345 is about 473.2762563701.

Adding to 106009345 its reverse (543900601), we get a palindrome (649909946).

The spelling of 106009345 in words is "one hundred six million, nine thousand, three hundred forty-five".