1144700000 has 72 divisors (see below), whose sum is σ = 2817100944. Its totient is φ = 457840000.

The previous prime is 1144699991. The next prime is 1144700009. The reversal of 1144700000 is 74411.

It is an interprime number because it is at equal distance from previous prime (1144699991) and next prime (1144700009).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144700009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94277 + ... + 105723.

It is an arithmetic number, because the mean of its divisors is an integer number (39126402).

Almost surely, 2^1144700000 is an apocalyptic number.

1144700000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1144700000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1408550472).

1144700000 is an abundant number, since it is smaller than the sum of its proper divisors (1672400944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1144700000 is an frugal number, since it uses more digits than its factorization.

1144700000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11482 (or 11454 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 1144700000 is about 33833.4154350400. The cubic root of 1144700000 is about 1046.0775801691.

Adding to 1144700000 its reverse (74411), we get a palindrome (1144774411).

The spelling of 1144700000 in words is "one billion, one hundred forty-four million, seven hundred thousand".