1143105450 has 24 divisors (see below), whose sum is σ = 2834901888. Its totient is φ = 304828080.

The previous prime is 1143105419. The next prime is 1143105581. The reversal of 1143105450 is 545013411.

It is a happy number.

1143105450 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1143105450.

It is an unprimeable number.

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, 3810202 + ... + 3810501.

It is an arithmetic number, because the mean of its divisors is an integer number (118120912).

Almost surely, 2^1143105450 is an apocalyptic number.

1143105450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1143105450 is an abundant number, since it is smaller than the sum of its proper divisors (1691796438).

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

1143105450 is a wasteful number, since it uses less digits than its factorization.

1143105450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7620718 (or 7620713 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1143105450 is about 33809.8425018514. The cubic root of 1143105450 is about 1045.5916309784.

Adding to 1143105450 its reverse (545013411), we get a palindrome (1688118861).

The spelling of 1143105450 in words is "one billion, one hundred forty-three million, one hundred five thousand, four hundred fifty".