444143234 has 4 divisors (see below), whose sum is σ = 666214854. Its totient is φ = 222071616.

The previous prime is 444143137. The next prime is 444143237. The reversal of 444143234 is 432341444.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 400120009 + 44023225 = 20003^2 + 6635^2 .

It is a junction number, because it is equal to n+sod(n) for n = 444143197 and 444143206.

It is not an unprimeable number, because it can be changed into a prime (444143237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111035807 + ... + 111035810.

Almost surely, 2^444143234 is an apocalyptic number.

444143234 is a deficient number, since it is larger than the sum of its proper divisors (222071620).

444143234 is a wasteful number, since it uses less digits than its factorization.

444143234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222071619.

The product of its digits is 18432, while the sum is 29.

The square root of 444143234 is about 21074.7060240469. The cubic root of 444143234 is about 762.9703894648.

Adding to 444143234 its reverse (432341444), we get a palindrome (876484678).

The spelling of 444143234 in words is "four hundred forty-four million, one hundred forty-three thousand, two hundred thirty-four".