1143104455 has 16 divisors (see below), whose sum is σ = 1457385120. Its totient is φ = 859082112.

The previous prime is 1143104449. The next prime is 1143104537. The reversal of 1143104455 is 5544013411.

It is a cyclic number.

It is not a de Polignac number, because 1143104455 - 2⁹ = 1143103943 is a prime.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 101169 + ... + 111898.

It is an arithmetic number, because the mean of its divisors is an integer number (91086570).

Almost surely, 2^1143104455 is an apocalyptic number.

1143104455 is a deficient number, since it is larger than the sum of its proper divisors (314280665).

1143104455 is a wasteful number, since it uses less digits than its factorization.

1143104455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213138.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 1143104455 is about 33809.8277871982. The cubic root of 1143104455 is about 1045.5913276048.

Adding to 1143104455 its reverse (5544013411), we get a palindrome (6687117866).

The spelling of 1143104455 in words is "one billion, one hundred forty-three million, one hundred four thousand, four hundred fifty-five".