1442245565 has 4 divisors (see below), whose sum is σ = 1730694684. Its totient is φ = 1153796448.

The previous prime is 1442245549. The next prime is 1442245573. The reversal of 1442245565 is 5655422441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5655422441 = 2281 ⋅2479361.

It can be written as a sum of positive squares in 2 ways, for example, as 241553764 + 1200691801 = 15542^2 + 34651^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442245565 - 2⁴ = 1442245549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144224552 + ... + 144224561.

It is an arithmetic number, because the mean of its divisors is an integer number (432673671).

Almost surely, 2^1442245565 is an apocalyptic number.

It is an amenable number.

1442245565 is a deficient number, since it is larger than the sum of its proper divisors (288449119).

1442245565 is an equidigital number, since it uses as much as digits as its factorization.

1442245565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288449118.

The product of its digits is 192000, while the sum is 38.

The square root of 1442245565 is about 37976.9083128156. The cubic root of 1442245565 is about 1129.8299180148.

The spelling of 1442245565 in words is "one billion, four hundred forty-two million, two hundred forty-five thousand, five hundred sixty-five".