444323142 has 24 divisors (see below), whose sum is σ = 964011360. Its totient is φ = 147906000.

The previous prime is 444323141. The next prime is 444323233. The reversal of 444323142 is 241323444.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444323141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2917 + ... + 29952.

It is an arithmetic number, because the mean of its divisors is an integer number (40167140).

Almost surely, 2^444323142 is an apocalyptic number.

444323142 is an abundant number, since it is smaller than the sum of its proper divisors (519688218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444323142 is a wasteful number, since it uses less digits than its factorization.

444323142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33628 (or 33625 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 444323142 is about 21078.9739313848. The cubic root of 444323142 is about 763.0733937337.

Adding to 444323142 its reverse (241323444), we get a palindrome (685646586).

It can be divided in two parts, 44432 and 3142, that added together give a palindrome (47574).

The spelling of 444323142 in words is "four hundred forty-four million, three hundred twenty-three thousand, one hundred forty-two".