441242143 has 4 divisors (see below), whose sum is σ = 460426608. Its totient is φ = 422057680.

The previous prime is 441242107. The next prime is 441242147. The reversal of 441242143 is 341242144.

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

It is a cyclic number.

It is not a de Polignac number, because 441242143 - 2¹³ = 441233951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441242147) 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, 9592198 + ... + 9592243.

It is an arithmetic number, because the mean of its divisors is an integer number (115106652).

Almost surely, 2^441242143 is an apocalyptic number.

441242143 is a deficient number, since it is larger than the sum of its proper divisors (19184465).

441242143 is a wasteful number, since it uses less digits than its factorization.

441242143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19184464.

The product of its digits is 3072, while the sum is 25.

The square root of 441242143 is about 21005.7645183411. The cubic root of 441242143 is about 761.3055485991.

Adding to 441242143 its reverse (341242144), we get a palindrome (782484287).

Subtracting from 441242143 its reverse (341242144), we obtain a palindrome (99999999).

The spelling of 441242143 in words is "four hundred forty-one million, two hundred forty-two thousand, one hundred forty-three".