1442984265 has 12 divisors (see below), whose sum is σ = 2501172804. Its totient is φ = 769591584.

The previous prime is 1442984261. The next prime is 1442984267. The reversal of 1442984265 is 5624892441.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 193432464 + 1249551801 = 13908^2 + 35349^2 .

It is not a de Polignac number, because 1442984265 - 2² = 1442984261 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 32066317 = 1442984265 / (1 + 4 + 4 + 2 + 9 + 8 + 4 + 2 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 1442984265.

It is not an unprimeable number, because it can be changed into a prime (1442984261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16033114 + ... + 16033203.

It is an arithmetic number, because the mean of its divisors is an integer number (208431067).

Almost surely, 2^1442984265 is an apocalyptic number.

1442984265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1442984265 is a deficient number, since it is larger than the sum of its proper divisors (1058188539).

1442984265 is a wasteful number, since it uses less digits than its factorization.

1442984265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32066328 (or 32066325 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 1442984265 is about 37986.6327146800. The cubic root of 1442984265 is about 1130.0227799725.

The spelling of 1442984265 in words is "one billion, four hundred forty-two million, nine hundred eighty-four thousand, two hundred sixty-five".