1144251132 has 24 divisors (see below), whose sum is σ = 2720296656. Its totient is φ = 374220288.

The previous prime is 1144251107. The next prime is 1144251161. The reversal of 1144251132 is 2311524411.

It is a congruent number.

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, 898933 + ... + 900204.

It is an arithmetic number, because the mean of its divisors is an integer number (113345694).

Almost surely, 2^1144251132 is an apocalyptic number.

1144251132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1144251132 is an abundant number, since it is smaller than the sum of its proper divisors (1576045524).

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

1144251132 is a wasteful number, since it uses less digits than its factorization.

1144251132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1799197 (or 1799195 counting only the distinct ones).

The product of its digits is 960, while the sum is 24.

The square root of 1144251132 is about 33826.7812834742. The cubic root of 1144251132 is about 1045.9408304707.

Adding to 1144251132 its reverse (2311524411), we get a palindrome (3455775543).

The spelling of 1144251132 in words is "one billion, one hundred forty-four million, two hundred fifty-one thousand, one hundred thirty-two".