1143201488 has 80 divisors (see below), whose sum is σ = 2645164032. Its totient is φ = 471744000.

The previous prime is 1143201487. The next prime is 1143201497. The reversal of 1143201488 is 8841023411.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143201487) 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, 135473 + ... + 143663.

Almost surely, 2^1143201488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1143201488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1322582016).

1143201488 is an abundant number, since it is smaller than the sum of its proper divisors (1501962544).

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

1143201488 is a wasteful number, since it uses less digits than its factorization.

1143201488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8284 (or 8278 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 1143201488 is about 33811.2627389159. The cubic root of 1143201488 is about 1045.6209119507.

Adding to 1143201488 its reverse (8841023411), we get a palindrome (9984224899).

The spelling of 1143201488 in words is "one billion, one hundred forty-three million, two hundred one thousand, four hundred eighty-eight".