1445244768 has 240 divisors, whose sum is σ = 4679546256. Its totient is φ = 433935360.

The previous prime is 1445244763. The next prime is 1445244797. The reversal of 1445244768 is 8674425441.

1445244768 is a `hidden beast` number, since 144 + 5 + 2 + 447 + 68 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445244761) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4932430 + ... + 4932722.

Almost surely, 2^1445244768 is an apocalyptic number.

1445244768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1445244768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2339773128).

1445244768 is an abundant number, since it is smaller than the sum of its proper divisors (3234301488).

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

1445244768 is a wasteful number, since it uses less digits than its factorization.

1445244768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499 (or 482 counting only the distinct ones).

The product of its digits is 860160, while the sum is 45.

The square root of 1445244768 is about 38016.3749981505. The cubic root of 1445244768 is about 1130.6125501298.

The spelling of 1445244768 in words is "one billion, four hundred forty-five million, two hundred forty-four thousand, seven hundred sixty-eight".