450143441 has 4 divisors (see below), whose sum is σ = 491065584. Its totient is φ = 409221300.

The previous prime is 450143413. The next prime is 450143471. The reversal of 450143441 is 144341054.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 450143441 - 2⁶ = 450143377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 450143441.

It is not an unprimeable number, because it can be changed into a prime (450143401) 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, 20461055 + ... + 20461076.

It is an arithmetic number, because the mean of its divisors is an integer number (122766396).

Almost surely, 2^450143441 is an apocalyptic number.

It is an amenable number.

450143441 is a deficient number, since it is larger than the sum of its proper divisors (40922143).

450143441 is a wasteful number, since it uses less digits than its factorization.

450143441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40922142.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 450143441 is about 21216.5841030077. The cubic root of 450143441 is about 766.3908461077.

Adding to 450143441 its reverse (144341054), we get a palindrome (594484495).

The spelling of 450143441 in words is "four hundred fifty million, one hundred forty-three thousand, four hundred forty-one".