1144351140 has 24 divisors (see below), whose sum is σ = 3204183360. Its totient is φ = 305160288.

The previous prime is 1144351069. The next prime is 1144351157. The reversal of 1144351140 is 411534411.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1144351140.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9536200 + ... + 9536319.

It is an arithmetic number, because the mean of its divisors is an integer number (133507640).

Almost surely, 2^1144351140 is an apocalyptic number.

1144351140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144351140 is an abundant number, since it is smaller than the sum of its proper divisors (2059832220).

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

1144351140 is a wasteful number, since it uses less digits than its factorization.

1144351140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19072531 (or 19072529 counting only the distinct ones).

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

The square root of 1144351140 is about 33828.2594881853. The cubic root of 1144351140 is about 1045.9713014633.

Adding to 1144351140 its reverse (411534411), we get a palindrome (1555885551).

The spelling of 1144351140 in words is "one billion, one hundred forty-four million, three hundred fifty-one thousand, one hundred forty".