1442000321 has 8 divisors (see below), whose sum is σ = 1501608000. Its totient is φ = 1383051600.

The previous prime is 1442000311. The next prime is 1442000323. The reversal of 1442000321 is 1230002441.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1442000321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1442000321.

It is not an unprimeable number, because it can be changed into a prime (1442000323) 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 7 ways as a sum of consecutive naturals, for example, 160271 + ... + 169028.

It is an arithmetic number, because the mean of its divisors is an integer number (187701000).

Almost surely, 2^1442000321 is an apocalyptic number.

It is an amenable number.

1442000321 is a deficient number, since it is larger than the sum of its proper divisors (59607679).

1442000321 is a wasteful number, since it uses less digits than its factorization.

1442000321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329479.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1442000321 is about 37973.6793187071. The cubic root of 1442000321 is about 1129.7658744331.

Adding to 1442000321 its reverse (1230002441), we get a palindrome (2672002762).

The spelling of 1442000321 in words is "one billion, four hundred forty-two million, three hundred twenty-one", and thus it is an aban number.