1144115412 has 48 divisors (see below), whose sum is σ = 2925199872. Its totient is φ = 345165280.

The previous prime is 1144115411. The next prime is 1144115429. The reversal of 1144115412 is 2145114411.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144115411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10873 + ... + 49055.

It is an arithmetic number, because the mean of its divisors is an integer number (60941664).

Almost surely, 2^1144115412 is an apocalyptic number.

1144115412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1144115412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1462599936).

1144115412 is an abundant number, since it is smaller than the sum of its proper divisors (1781084460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1144115412 is a wasteful number, since it uses less digits than its factorization.

1144115412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38428 (or 38426 counting only the distinct ones).

The product of its digits is 640, while the sum is 24.

The square root of 1144115412 is about 33824.7751212037. The cubic root of 1144115412 is about 1045.8994757080.

Adding to 1144115412 its reverse (2145114411), we get a palindrome (3289229823).

The spelling of 1144115412 in words is "one billion, one hundred forty-four million, one hundred fifteen thousand, four hundred twelve".