16145441 has 4 divisors (see below), whose sum is σ = 17387412. Its totient is φ = 14903472.

The previous prime is 16145413. The next prime is 16145449. The reversal of 16145441 is 14454161.

16145441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14454161 = 37 ⋅390653.

It can be written as a sum of positive squares in 2 ways, for example, as 10758400 + 5387041 = 3280^2 + 2321^2 .

It is a cyclic number.

It is not a de Polignac number, because 16145441 - 2¹⁰ = 16144417 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 16145441.

It is not an unprimeable number, because it can be changed into a prime (16145449) 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, 620966 + ... + 620991.

It is an arithmetic number, because the mean of its divisors is an integer number (4346853).

Almost surely, 2^16145441 is an apocalyptic number.

It is an amenable number.

16145441 is a deficient number, since it is larger than the sum of its proper divisors (1241971).

16145441 is a wasteful number, since it uses less digits than its factorization.

16145441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241970.

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

The square root of 16145441 is about 4018.1389970980. The cubic root of 16145441 is about 252.7454255240.

The spelling of 16145441 in words is "sixteen million, one hundred forty-five thousand, four hundred forty-one".