1144663149 has 16 divisors (see below), whose sum is σ = 1820086272. Its totient is φ = 625654128.

The previous prime is 1144663111. The next prime is 1144663217. The reversal of 1144663149 is 9413664411.

It is not a de Polignac number, because 1144663149 - 2⁷ = 1144663021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144663049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1184469 + ... + 1185434.

It is an arithmetic number, because the mean of its divisors is an integer number (113755392).

Almost surely, 2^1144663149 is an apocalyptic number.

It is an amenable number.

1144663149 is a deficient number, since it is larger than the sum of its proper divisors (675423123).

1144663149 is a wasteful number, since it uses less digits than its factorization.

1144663149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369936.

The product of its digits is 62208, while the sum is 39.

The square root of 1144663149 is about 33832.8708359193. The cubic root of 1144663149 is about 1046.0663546898.

The spelling of 1144663149 in words is "one billion, one hundred forty-four million, six hundred sixty-three thousand, one hundred forty-nine".