1442300321 has 16 divisors (see below), whose sum is σ = 1799359488. Its totient is φ = 1123141200.

The previous prime is 1442300311. The next prime is 1442300323. The reversal of 1442300321 is 1230032441.

It is a cyclic number.

It is not a de Polignac number, because 1442300321 - 2¹⁰ = 1442299297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1442300293 and 1442300302.

It is not an unprimeable number, because it can be changed into a prime (1442300323) 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 15 ways as a sum of consecutive naturals, for example, 134276 + ... + 144618.

It is an arithmetic number, because the mean of its divisors is an integer number (112459968).

Almost surely, 2^1442300321 is an apocalyptic number.

1442300321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1442300321 is a deficient number, since it is larger than the sum of its proper divisors (357059167).

1442300321 is a wasteful number, since it uses less digits than its factorization.

1442300321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12172.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1442300321 is about 37977.6292177382. The cubic root of 1442300321 is about 1129.8442161310.

Adding to 1442300321 its reverse (1230032441), we get a palindrome (2672332762).

The spelling of 1442300321 in words is "one billion, four hundred forty-two million, three hundred thousand, three hundred twenty-one".