1143104554 has 16 divisors (see below), whose sum is σ = 1815916608. Its totient is φ = 538540992.

The previous prime is 1143104549. The next prime is 1143104617. The reversal of 1143104554 is 4554013411.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182367 + ... + 188530.

It is an arithmetic number, because the mean of its divisors is an integer number (113494788).

Almost surely, 2^1143104554 is an apocalyptic number.

1143104554 is a deficient number, since it is larger than the sum of its proper divisors (672812054).

1143104554 is a wasteful number, since it uses less digits than its factorization.

1143104554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370989.

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

The square root of 1143104554 is about 33809.8292512695. The cubic root of 1143104554 is about 1045.5913577897.

Adding to 1143104554 its reverse (4554013411), we get a palindrome (5697117965).

The spelling of 1143104554 in words is "one billion, one hundred forty-three million, one hundred four thousand, five hundred fifty-four".