16105345 has 4 divisors (see below), whose sum is σ = 19326420. Its totient is φ = 12884272.

The previous prime is 16105343. The next prime is 16105361. The reversal of 16105345 is 54350161.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4626801 + 11478544 = 2151^2 + 3388^2 .

It is a cyclic number.

It is not a de Polignac number, because 16105345 - 2¹ = 16105343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16105343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1610530 + ... + 1610539.

It is an arithmetic number, because the mean of its divisors is an integer number (4831605).

Almost surely, 2^16105345 is an apocalyptic number.

It is an amenable number.

16105345 is a deficient number, since it is larger than the sum of its proper divisors (3221075).

16105345 is an equidigital number, since it uses as much as digits as its factorization.

16105345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3221074.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 16105345 is about 4013.1465211228. The cubic root of 16105345 is about 252.5360272744.

The spelling of 16105345 in words is "sixteen million, one hundred five thousand, three hundred forty-five".