1144413412 has 18 divisors (see below), whose sum is σ = 2127462722. Its totient is φ = 538546944.

The previous prime is 1144413397. The next prime is 1144413419. The reversal of 1144413412 is 2143144411.

It can be written as a sum of positive squares in 3 ways, for example, as 134699236 + 1009714176 = 11606^2 + 31776^2 .

It is not an unprimeable number, because it can be changed into a prime (1144413419) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 493833 + ... + 496144.

Almost surely, 2^1144413412 is an apocalyptic number.

It is an amenable number.

1144413412 is a deficient number, since it is larger than the sum of its proper divisors (983049310).

1144413412 is a wasteful number, since it uses less digits than its factorization.

1144413412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990015 (or 989996 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 1144413412 is about 33829.1798895569. The cubic root of 1144413412 is about 1045.9902739451.

Adding to 1144413412 its reverse (2143144411), we get a palindrome (3287557823).

The spelling of 1144413412 in words is "one billion, one hundred forty-four million, four hundred thirteen thousand, four hundred twelve".