1442075307 has 16 divisors (see below), whose sum is σ = 1931506560. Its totient is φ = 957025472.

The previous prime is 1442075287. The next prime is 1442075309. The reversal of 1442075307 is 7035702441.

It is a cyclic number.

It is not a de Polignac number, because 1442075307 - 2¹⁴ = 1442058923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1442075309) 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, 755248 + ... + 757154.

It is an arithmetic number, because the mean of its divisors is an integer number (120719160).

Almost surely, 2^1442075307 is an apocalyptic number.

1442075307 is a deficient number, since it is larger than the sum of its proper divisors (489431253).

1442075307 is a wasteful number, since it uses less digits than its factorization.

1442075307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2922.

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 1442075307 is about 37974.6666476481. Note that the first 4 decimals coincide. The cubic root of 1442075307 is about 1129.7854572201.

Adding to 1442075307 its reverse (7035702441), we get a palindrome (8477777748).

The spelling of 1442075307 in words is "one billion, four hundred forty-two million, seventy-five thousand, three hundred seven".