1344020545 has 8 divisors (see below), whose sum is σ = 1843228224. Its totient is φ = 921614064.

The previous prime is 1344020521. The next prime is 1344020591. The reversal of 1344020545 is 5450204431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1344020545 - 2²³ = 1335631937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19200259 + ... + 19200328.

It is an arithmetic number, because the mean of its divisors is an integer number (230403528).

Almost surely, 2^1344020545 is an apocalyptic number.

It is an amenable number.

1344020545 is a deficient number, since it is larger than the sum of its proper divisors (499207679).

1344020545 is an equidigital number, since it uses as much as digits as its factorization.

1344020545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38400599.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 1344020545 is about 36660.8857639856. The cubic root of 1344020545 is about 1103.5752937477.

Adding to 1344020545 its reverse (5450204431), we get a palindrome (6794224976).

The spelling of 1344020545 in words is "one billion, three hundred forty-four million, twenty thousand, five hundred forty-five".