1144011144 has 32 divisors (see below), whose sum is σ = 2880612000. Its totient is φ = 378592512.

The previous prime is 1144011133. The next prime is 1144011157. The reversal of 1144011144 is 4411104411.

It is a super-2 number, since 2×1144011144² = 2617522995192377472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1144011144.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168129 + ... + 174800.

It is an arithmetic number, because the mean of its divisors is an integer number (90019125).

Almost surely, 2^1144011144 is an apocalyptic number.

It is an amenable number.

1144011144 is an abundant number, since it is smaller than the sum of its proper divisors (1736600856).

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

1144011144 is a wasteful number, since it uses less digits than its factorization.

1144011144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343077 (or 343073 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 1144011144 is about 33823.2337898079. The cubic root of 1144011144 is about 1045.8677023518.

Adding to 1144011144 its reverse (4411104411), we get a palindrome (5555115555).

The spelling of 1144011144 in words is "one billion, one hundred forty-four million, eleven thousand, one hundred forty-four".