1344445583 has 4 divisors (see below), whose sum is σ = 1447864488. Its totient is φ = 1241026680.

The previous prime is 1344445573. The next prime is 1344445589. The reversal of 1344445583 is 3855444431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1344445583 - 2¹⁰ = 1344444559 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 1344445583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344445589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51709433 + ... + 51709458.

It is an arithmetic number, because the mean of its divisors is an integer number (361966122).

Almost surely, 2^1344445583 is an apocalyptic number.

1344445583 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1344445583 is a deficient number, since it is larger than the sum of its proper divisors (103418905).

1344445583 is a wasteful number, since it uses less digits than its factorization.

1344445583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103418904.

The product of its digits is 460800, while the sum is 41.

The square root of 1344445583 is about 36666.6821924210. The cubic root of 1344445583 is about 1103.6916143899.

The spelling of 1344445583 in words is "one billion, three hundred forty-four million, four hundred forty-five thousand, five hundred eighty-three".