1144663005 has 16 divisors (see below), whose sum is σ = 1841583744. Its totient is φ = 607112640.

The previous prime is 1144662949. The next prime is 1144663019. The reversal of 1144663005 is 5003664411.

1144663005 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1144663005 - 2²⁷ = 1010445277 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208089 + ... + 213518.

It is an arithmetic number, because the mean of its divisors is an integer number (115098984).

Almost surely, 2^1144663005 is an apocalyptic number.

1144663005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1144663005 is a deficient number, since it is larger than the sum of its proper divisors (696920739).

1144663005 is a wasteful number, since it uses less digits than its factorization.

1144663005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421796.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1144663005 is about 33832.8687078113. The cubic root of 1144663005 is about 1046.0663108243.

The spelling of 1144663005 in words is "one billion, one hundred forty-four million, six hundred sixty-three thousand, five".