1451144244 has 96 divisors (see below), whose sum is σ = 3866849280. Its totient is φ = 419267200.

The previous prime is 1451144243. The next prime is 1451144257. The reversal of 1451144244 is 4424411541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1451144243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1307962 + ... + 1309070.

It is an arithmetic number, because the mean of its divisors is an integer number (40279680).

Almost surely, 2^1451144244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1451144244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1933424640).

1451144244 is an abundant number, since it is smaller than the sum of its proper divisors (2415705036).

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

1451144244 is a wasteful number, since it uses less digits than its factorization.

1451144244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581 (or 1579 counting only the distinct ones).

The product of its digits is 10240, while the sum is 30.

The square root of 1451144244 is about 38093.8872261679. The cubic root of 1451144244 is about 1132.1488450242.

Adding to 1451144244 its reverse (4424411541), we get a palindrome (5875555785).

The spelling of 1451144244 in words is "one billion, four hundred fifty-one million, one hundred forty-four thousand, two hundred forty-four".