1445163456 has 112 divisors (see below), whose sum is σ = 4306019328. Its totient is φ = 423782400.

The previous prime is 1445163437. The next prime is 1445163563. The reversal of 1445163456 is 6543615441.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 54436 + ... + 76508.

Almost surely, 2^1445163456 is an apocalyptic number.

1445163456 is a gapful number since it is divisible by the number (16) 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 1445163456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2153009664).

1445163456 is an abundant number, since it is smaller than the sum of its proper divisors (2860855872).

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

1445163456 is a wasteful number, since it uses less digits than its factorization.

1445163456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22130 (or 22120 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The square root of 1445163456 is about 38015.3055492127. The cubic root of 1445163456 is about 1130.5913463186.

Adding to 1445163456 its reverse (6543615441), we get a palindrome (7988778897).

The spelling of 1445163456 in words is "one billion, four hundred forty-five million, one hundred sixty-three thousand, four hundred fifty-six".