16445141 has 4 divisors (see below), whose sum is σ = 16846284. Its totient is φ = 16044000.

The previous prime is 16445119. The next prime is 16445167. The reversal of 16445141 is 14154461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14154461 = 37 ⋅382553.

It can be written as a sum of positive squares in 2 ways, for example, as 874225 + 15570916 = 935^2 + 3946^2 .

It is a cyclic number.

It is not a de Polignac number, because 16445141 - 2¹⁴ = 16428757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16445141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16445101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200510 + ... + 200591.

It is an arithmetic number, because the mean of its divisors is an integer number (4211571).

Almost surely, 2^16445141 is an apocalyptic number.

It is an amenable number.

16445141 is a deficient number, since it is larger than the sum of its proper divisors (401143).

16445141 is an equidigital number, since it uses as much as digits as its factorization.

16445141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401142.

The product of its digits is 1920, while the sum is 26.

The square root of 16445141 is about 4055.2609040603. The cubic root of 16445141 is about 254.2997113119.

The spelling of 16445141 in words is "sixteen million, four hundred forty-five thousand, one hundred forty-one".