1143200144 has 20 divisors (see below), whose sum is σ = 2286401280. Its totient is φ = 553161120.

The previous prime is 1143200143. The next prime is 1143200167. The reversal of 1143200144 is 4410023411.

1143200144 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1143200143) 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, 1151924 + ... + 1152915.

It is an arithmetic number, because the mean of its divisors is an integer number (114320064).

Almost surely, 2^1143200144 is an apocalyptic number.

It is an amenable number.

1143200144 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1143200144 is a wasteful number, since it uses less digits than its factorization.

1143200144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304878 (or 2304872 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1143200144 is about 33811.2428638759. The cubic root of 1143200144 is about 1045.6205021906.

Adding to 1143200144 its reverse (4410023411), we get a palindrome (5553223555).

The spelling of 1143200144 in words is "one billion, one hundred forty-three million, two hundred thousand, one hundred forty-four".