444143131 has 8 divisors (see below), whose sum is σ = 445953744. Its totient is φ = 442337280.

The previous prime is 444143111. The next prime is 444143137. The reversal of 444143131 is 131341444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 444143131 - 2¹⁹ = 443618843 is a prime.

It is a super-2 number, since 2×444143131² = 394526241628966322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 444143096 and 444143105.

It is not an unprimeable number, because it can be changed into a prime (444143137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394936 + ... + 396058.

It is an arithmetic number, because the mean of its divisors is an integer number (55744218).

Almost surely, 2^444143131 is an apocalyptic number.

444143131 is a deficient number, since it is larger than the sum of its proper divisors (1810613).

444143131 is a wasteful number, since it uses less digits than its factorization.

444143131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381.

The product of its digits is 2304, while the sum is 25.

The square root of 444143131 is about 21074.7035803591. The cubic root of 444143131 is about 762.9703304854.

Adding to 444143131 its reverse (131341444), we get a palindrome (575484575).

The spelling of 444143131 in words is "four hundred forty-four million, one hundred forty-three thousand, one hundred thirty-one".