1144536132 has 12 divisors (see below), whose sum is σ = 2670584336. Its totient is φ = 381512040.

The previous prime is 1144536091. The next prime is 1144536139. The reversal of 1144536132 is 2316354411.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1144536132.

It is not an unprimeable number, because it can be changed into a prime (1144536139) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 47688994 + ... + 47689017.

Almost surely, 2^1144536132 is an apocalyptic number.

1144536132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1144536132 is an abundant number, since it is smaller than the sum of its proper divisors (1526048204).

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

1144536132 is a wasteful number, since it uses less digits than its factorization.

1144536132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95378018 (or 95378016 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 1144536132 is about 33830.9936596607. The cubic root of 1144536132 is about 1046.0276611739.

The spelling of 1144536132 in words is "one billion, one hundred forty-four million, five hundred thirty-six thousand, one hundred thirty-two".