1344115445 has 4 divisors (see below), whose sum is σ = 1612938540. Its totient is φ = 1075292352.

The previous prime is 1344115439. The next prime is 1344115471. The reversal of 1344115445 is 5445114431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5445114431 = 61 ⋅89264171.

It can be written as a sum of positive squares in 2 ways, for example, as 810597841 + 533517604 = 28471^2 + 23098^2 .

It is a cyclic number.

It is not a de Polignac number, because 1344115445 - 2⁴ = 1344115429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134411540 + ... + 134411549.

It is an arithmetic number, because the mean of its divisors is an integer number (403234635).

Almost surely, 2^1344115445 is an apocalyptic number.

It is an amenable number.

1344115445 is a deficient number, since it is larger than the sum of its proper divisors (268823095).

1344115445 is an equidigital number, since it uses as much as digits as its factorization.

1344115445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268823094.

The product of its digits is 19200, while the sum is 32.

The square root of 1344115445 is about 36662.1800361081. The cubic root of 1344115445 is about 1103.6012672670.

Adding to 1344115445 its reverse (5445114431), we get a palindrome (6789229876).

The spelling of 1344115445 in words is "one billion, three hundred forty-four million, one hundred fifteen thousand, four hundred forty-five".