1143454224 has 160 divisors (see below), whose sum is σ = 3398889600. Its totient is φ = 328007680.

The previous prime is 1143454217. The next prime is 1143454241. The reversal of 1143454224 is 4224543411.

It is a Cunningham number, because it is equal to 33815²-1.

It is a junction number, because it is equal to n+sod(n) for n = 1143454191 and 1143454200.

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, 810832 + ... + 812240.

It is an arithmetic number, because the mean of its divisors is an integer number (21243060).

Almost surely, 2^1143454224 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 1143454224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1699444800).

1143454224 is an abundant number, since it is smaller than the sum of its proper divisors (2255435376).

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

1143454224 is a wasteful number, since it uses less digits than its factorization.

1143454224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513 (or 1507 counting only the distinct ones).

The product of its digits is 15360, while the sum is 30.

The square root of 1143454224 is about 33814.9999852137. Note that the first 4 decimals coincide. The cubic root of 1143454224 is about 1045.6979606534.

Adding to 1143454224 its reverse (4224543411), we get a palindrome (5367997635).

The spelling of 1143454224 in words is "one billion, one hundred forty-three million, four hundred fifty-four thousand, two hundred twenty-four".