1143544145 has 8 divisors (see below), whose sum is σ = 1373225856. Its totient is φ = 914186736.

The previous prime is 1143544139. The next prime is 1143544159. The reversal of 1143544145 is 5414453411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1143544145 - 2⁸ = 1143543889 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73247 + ... + 87476.

It is an arithmetic number, because the mean of its divisors is an integer number (171653232).

Almost surely, 2^1143544145 is an apocalyptic number.

It is an amenable number.

1143544145 is a deficient number, since it is larger than the sum of its proper divisors (229681711).

1143544145 is a wasteful number, since it uses less digits than its factorization.

1143544145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162151.

The product of its digits is 19200, while the sum is 32.

The square root of 1143544145 is about 33816.3295613229. The cubic root of 1143544145 is about 1045.7253710909.

Adding to 1143544145 its reverse (5414453411), we get a palindrome (6557997556).

The spelling of 1143544145 in words is "one billion, one hundred forty-three million, five hundred forty-four thousand, one hundred forty-five".