1143045171 has 6 divisors (see below), whose sum is σ = 1651065260. Its totient is φ = 762030108.

The previous prime is 1143045143. The next prime is 1143045193. The reversal of 1143045171 is 1715403411.

1143045171 is a `hidden beast` number, since 1 + 143 + 0 + 4 + 517 + 1 = 666.

It is not a de Polignac number, because 1143045171 - 2⁵ = 1143045139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143045971) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 63502501 + ... + 63502518.

Almost surely, 2^1143045171 is an apocalyptic number.

1143045171 is a deficient number, since it is larger than the sum of its proper divisors (508020089).

1143045171 is a wasteful number, since it uses less digits than its factorization.

1143045171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127005025 (or 127005022 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 1143045171 is about 33808.9510485019. The cubic root of 1143045171 is about 1045.5732517100.

Adding to 1143045171 its reverse (1715403411), we get a palindrome (2858448582).

The spelling of 1143045171 in words is "one billion, one hundred forty-three million, forty-five thousand, one hundred seventy-one".