1144305505 has 8 divisors (see below), whose sum is σ = 1569333312. Its totient is φ = 784666608.

The previous prime is 1144305497. The next prime is 1144305523. The reversal of 1144305505 is 5055034411.

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 1144305505 - 2³ = 1144305497 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, 16347187 + ... + 16347256.

It is an arithmetic number, because the mean of its divisors is an integer number (196166664).

Almost surely, 2^1144305505 is an apocalyptic number.

It is an amenable number.

1144305505 is a deficient number, since it is larger than the sum of its proper divisors (425027807).

1144305505 is an equidigital number, since it uses as much as digits as its factorization.

1144305505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32694455.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1144305505 is about 33827.5849714401. The cubic root of 1144305505 is about 1045.9573973584.

Adding to 1144305505 its reverse (5055034411), we get a palindrome (6199339916).

The spelling of 1144305505 in words is "one billion, one hundred forty-four million, three hundred five thousand, five hundred five".