16450145 has 4 divisors (see below), whose sum is σ = 19740180. Its totient is φ = 13160112.

The previous prime is 16450127. The next prime is 16450177. The reversal of 16450145 is 54105461.

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 9138529 + 7311616 = 3023^2 + 2704^2 .

It is a cyclic number.

It is not a de Polignac number, because 16450145 - 2¹⁶ = 16384609 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1645010 + ... + 1645019.

It is an arithmetic number, because the mean of its divisors is an integer number (4935045).

Almost surely, 2^16450145 is an apocalyptic number.

It is an amenable number.

16450145 is a deficient number, since it is larger than the sum of its proper divisors (3290035).

16450145 is an equidigital number, since it uses as much as digits as its factorization.

16450145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3290034.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 16450145 is about 4055.8778334659. The cubic root of 16450145 is about 254.3255018420.

The spelling of 16450145 in words is "sixteen million, four hundred fifty thousand, one hundred forty-five".