1144613136 has 40 divisors (see below), whose sum is σ = 2997432160. Its totient is φ = 376310016.

The previous prime is 1144613021. The next prime is 1144613161. The reversal of 1144613136 is 6313164411.

It is a super-2 number, since 2×1144613136² = 2620278462207508992, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159826 + ... + 166833.

It is an arithmetic number, because the mean of its divisors is an integer number (74935804).

Almost surely, 2^1144613136 is an apocalyptic number.

1144613136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1144613136 is an abundant number, since it is smaller than the sum of its proper divisors (1852819024).

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

1144613136 is a wasteful number, since it uses less digits than its factorization.

1144613136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326743 (or 326737 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 1144613136 is about 33832.1317093676. The cubic root of 1144613136 is about 1046.0511194424.

Adding to 1144613136 its reverse (6313164411), we get a palindrome (7457777547).

The spelling of 1144613136 in words is "one billion, one hundred forty-four million, six hundred thirteen thousand, one hundred thirty-six".