1344424745 has 4 divisors (see below), whose sum is σ = 1613309700. Its totient is φ = 1075539792.

The previous prime is 1344424733. The next prime is 1344424777. The reversal of 1344424745 is 5474244431.

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

It can be written as a sum of positive squares in 2 ways, for example, as 927080704 + 417344041 = 30448^2 + 20429^2 .

It is a cyclic number.

It is not a de Polignac number, because 1344424745 - 2¹⁸ = 1344162601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1344424699 and 1344424708.

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 3 ways as a sum of consecutive naturals, for example, 134442470 + ... + 134442479.

It is an arithmetic number, because the mean of its divisors is an integer number (403327425).

Almost surely, 2^1344424745 is an apocalyptic number.

It is an amenable number.

1344424745 is a deficient number, since it is larger than the sum of its proper divisors (268884955).

1344424745 is an equidigital number, since it uses as much as digits as its factorization.

1344424745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268884954.

The product of its digits is 215040, while the sum is 38.

The square root of 1344424745 is about 36666.3980368948. The cubic root of 1344424745 is about 1103.6859122018.

The spelling of 1344424745 in words is "one billion, three hundred forty-four million, four hundred twenty-four thousand, seven hundred forty-five".