1143453360 has 160 divisors (see below), whose sum is σ = 4089595392. Its totient is φ = 258877440.

The previous prime is 1143453359. The next prime is 1143453391. The reversal of 1143453360 is 633543411.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 176580 + ... + 182940.

Almost surely, 2^1143453360 is an apocalyptic number.

1143453360 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 1143453360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2044797696).

1143453360 is an abundant number, since it is smaller than the sum of its proper divisors (2946142032).

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

1143453360 is a wasteful number, since it uses less digits than its factorization.

1143453360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6491 (or 6485 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 1143453360 is about 33814.9872098157. The cubic root of 1143453360 is about 1045.6976972751.

Adding to 1143453360 its reverse (633543411), we get a palindrome (1776996771).

The spelling of 1143453360 in words is "one billion, one hundred forty-three million, four hundred fifty-three thousand, three hundred sixty".