444321142 has 8 divisors (see below), whose sum is σ = 669016656. Its totient is φ = 221315592.

The previous prime is 444321131. The next prime is 444321167. The reversal of 444321142 is 241123444.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421833 + ... + 422884.

It is an arithmetic number, because the mean of its divisors is an integer number (83627082).

Almost surely, 2^444321142 is an apocalyptic number.

444321142 is a deficient number, since it is larger than the sum of its proper divisors (224695514).

444321142 is a wasteful number, since it uses less digits than its factorization.

444321142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844982.

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

The square root of 444321142 is about 21078.9264906921. The cubic root of 444321142 is about 763.0722488094.

Adding to 444321142 its reverse (241123444), we get a palindrome (685444586).

The spelling of 444321142 in words is "four hundred forty-four million, three hundred twenty-one thousand, one hundred forty-two".