1344085545 has 48 divisors (see below), whose sum is σ = 2382278976. Its totient is φ = 646588800.

The previous prime is 1344085543. The next prime is 1344085553. The reversal of 1344085545 is 5455804431.

It is not a de Polignac number, because 1344085545 - 2¹ = 1344085543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1344085543) 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 47 ways as a sum of consecutive naturals, for example, 234939 + ... + 240591.

It is an arithmetic number, because the mean of its divisors is an integer number (49630812).

Almost surely, 2^1344085545 is an apocalyptic number.

1344085545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1344085545 is a deficient number, since it is larger than the sum of its proper divisors (1038193431).

1344085545 is a wasteful number, since it uses less digits than its factorization.

1344085545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5814 (or 5803 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 39.

The square root of 1344085545 is about 36661.7722566708. The cubic root of 1344085545 is about 1103.5930839613.

Adding to 1344085545 its reverse (5455804431), we get a palindrome (6799889976).

The spelling of 1344085545 in words is "one billion, three hundred forty-four million, eighty-five thousand, five hundred forty-five".