1144162456 has 16 divisors (see below), whose sum is σ = 2181666600. Its totient is φ = 562384704.

The previous prime is 1144162429. The next prime is 1144162457. The reversal of 1144162456 is 6542614411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144162457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1211565 + ... + 1212508.

Almost surely, 2^1144162456 is an apocalyptic number.

It is an amenable number.

1144162456 is a deficient number, since it is larger than the sum of its proper divisors (1037504144).

1144162456 is a wasteful number, since it uses less digits than its factorization.

1144162456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2424138 (or 2424134 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 1144162456 is about 33825.4705214872. The cubic root of 1144162456 is about 1045.9138106897.

Adding to 1144162456 its reverse (6542614411), we get a palindrome (7686776867).

The spelling of 1144162456 in words is "one billion, one hundred forty-four million, one hundred sixty-two thousand, four hundred fifty-six".