1144501340 has 12 divisors (see below), whose sum is σ = 2403452856. Its totient is φ = 457800528.

The previous prime is 1144501331. The next prime is 1144501343. The reversal of 1144501340 is 431054411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144501343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28612514 + ... + 28612553.

It is an arithmetic number, because the mean of its divisors is an integer number (200287738).

Almost surely, 2^1144501340 is an apocalyptic number.

1144501340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144501340 is an abundant number, since it is smaller than the sum of its proper divisors (1258951516).

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

1144501340 is a wasteful number, since it uses less digits than its factorization.

1144501340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57225076 (or 57225074 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1144501340 is about 33830.4794527065. The cubic root of 1144501340 is about 1046.0170618979.

Adding to 1144501340 its reverse (431054411), we get a palindrome (1575555751).

The spelling of 1144501340 in words is "one billion, one hundred forty-four million, five hundred one thousand, three hundred forty".