1144140412 has 12 divisors (see below), whose sum is σ = 2002571200. Its totient is φ = 571977216.

The previous prime is 1144140401. The next prime is 1144140419. The reversal of 1144140412 is 2140414411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144140419) 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 3 ways as a sum of consecutive naturals, for example, 9589 + ... + 48787.

Almost surely, 2^1144140412 is an apocalyptic number.

It is an amenable number.

1144140412 is a deficient number, since it is larger than the sum of its proper divisors (858430788).

1144140412 is a wasteful number, since it uses less digits than its factorization.

1144140412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46500 (or 46498 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 1144140412 is about 33825.1446707919. The cubic root of 1144140412 is about 1045.9070936156.

Adding to 1144140412 its reverse (2140414411), we get a palindrome (3284554823).

The spelling of 1144140412 in words is "one billion, one hundred forty-four million, one hundred forty thousand, four hundred twelve".