1143104164 has 6 divisors (see below), whose sum is σ = 2000432294. Its totient is φ = 571552080.

The previous prime is 1143104147. The next prime is 1143104243. The reversal of 1143104164 is 4614013411.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1024512064 + 118592100 = 32008^2 + 10890^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142888017 + ... + 142888024.

Almost surely, 2^1143104164 is an apocalyptic number.

It is an amenable number.

1143104164 is a deficient number, since it is larger than the sum of its proper divisors (857328130).

1143104164 is a wasteful number, since it uses less digits than its factorization.

1143104164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285776045 (or 285776043 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1143104164 is about 33809.8234837155. The cubic root of 1143104164 is about 1045.5912388795.

Adding to 1143104164 its reverse (4614013411), we get a palindrome (5757117575).

The spelling of 1143104164 in words is "one billion, one hundred forty-three million, one hundred four thousand, one hundred sixty-four".