1344544145 has 8 divisors (see below), whose sum is σ = 1843946304. Its totient is φ = 921973104.

The previous prime is 1344544133. The next prime is 1344544151. The reversal of 1344544145 is 5414454431.

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 1344544145 - 2¹⁰ = 1344543121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 38415547 = 1344544145 / (1 + 3 + 4 + 4 + 5 + 4 + 4 + 1 + 4 + 5).

It is a Duffinian number.

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, 19207739 + ... + 19207808.

It is an arithmetic number, because the mean of its divisors is an integer number (230493288).

Almost surely, 2^1344544145 is an apocalyptic number.

It is an amenable number.

1344544145 is a deficient number, since it is larger than the sum of its proper divisors (499402159).

1344544145 is an equidigital number, since it uses as much as digits as its factorization.

1344544145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38415559.

The product of its digits is 76800, while the sum is 35.

The square root of 1344544145 is about 36668.0261944927. The cubic root of 1344544145 is about 1103.7185844649.

Adding to 1344544145 its reverse (5414454431), we get a palindrome (6758998576).

The spelling of 1344544145 in words is "one billion, three hundred forty-four million, five hundred forty-four thousand, one hundred forty-five".