1144017745 has 8 divisors (see below), whose sum is σ = 1478423016. Its totient is φ = 844813056.

The previous prime is 1144017739. The next prime is 1144017751. The reversal of 1144017745 is 5477104411.

It is an interprime number because it is at equal distance from previous prime (1144017739) and next prime (1144017751).

It can be written as a sum of positive squares in 4 ways, for example, as 73942801 + 1070074944 = 8599^2 + 32712^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1144017745 - 2⁵ = 1144017713 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1144017745.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8800072 + ... + 8800201.

It is an arithmetic number, because the mean of its divisors is an integer number (184802877).

Almost surely, 2^1144017745 is an apocalyptic number.

It is an amenable number.

1144017745 is a deficient number, since it is larger than the sum of its proper divisors (334405271).

1144017745 is a wasteful number, since it uses less digits than its factorization.

1144017745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17600291.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 1144017745 is about 33823.3313705200. The cubic root of 1144017745 is about 1045.8697139171.

The spelling of 1144017745 in words is "one billion, one hundred forty-four million, seventeen thousand, seven hundred forty-five".