1144553113 has 4 divisors (see below), whose sum is σ = 1248603408. Its totient is φ = 1040502820.

The previous prime is 1144553099. The next prime is 1144553129. The reversal of 1144553113 is 3113554411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3113554411 = 11 ⋅283050401.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1144553113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144553413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52025131 + ... + 52025152.

It is an arithmetic number, because the mean of its divisors is an integer number (312150852).

Almost surely, 2^1144553113 is an apocalyptic number.

It is an amenable number.

1144553113 is a deficient number, since it is larger than the sum of its proper divisors (104050295).

1144553113 is a wasteful number, since it uses less digits than its factorization.

1144553113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104050294.

The product of its digits is 3600, while the sum is 28.

The square root of 1144553113 is about 33831.2446268239. The cubic root of 1144553113 is about 1046.0328343055.

The spelling of 1144553113 in words is "one billion, one hundred forty-four million, five hundred fifty-three thousand, one hundred thirteen".