1144020344 has 32 divisors (see below), whose sum is σ = 2159784000. Its totient is φ = 568092672.

The previous prime is 1144020341. The next prime is 1144020347. The reversal of 1144020344 is 4430204411.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1144020341) and next prime (1144020347).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144020341) by changing a digit.

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, 1133312 + ... + 1134320.

It is an arithmetic number, because the mean of its divisors is an integer number (67493250).

Almost surely, 2^1144020344 is an apocalyptic number.

It is an amenable number.

1144020344 is a deficient number, since it is larger than the sum of its proper divisors (1015763656).

1144020344 is a wasteful number, since it uses less digits than its factorization.

1144020344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847 (or 1843 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1144020344 is about 33823.3697907231. The cubic root of 1144020344 is about 1045.8705059250.

Adding to 1144020344 its reverse (4430204411), we get a palindrome (5574224755).

The spelling of 1144020344 in words is "one billion, one hundred forty-four million, twenty thousand, three hundred forty-four".