1144028168 has 8 divisors (see below), whose sum is σ = 2145052830. Its totient is φ = 572014080.

The previous prime is 1144028153. The next prime is 1144028219. The reversal of 1144028168 is 8618204411.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1120776484 + 23251684 = 33478^2 + 4822^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71501753 + ... + 71501768.

Almost surely, 2^1144028168 is an apocalyptic number.

It is an amenable number.

1144028168 is a deficient number, since it is larger than the sum of its proper divisors (1001024662).

1144028168 is a wasteful number, since it uses less digits than its factorization.

1144028168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143003527 (or 143003523 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 35.

The square root of 1144028168 is about 33823.4854502016. The cubic root of 1144028168 is about 1045.8728901694.

The spelling of 1144028168 in words is "one billion, one hundred forty-four million, twenty-eight thousand, one hundred sixty-eight".