1445181696 has 432 divisors, whose sum is σ = 5284802880. Its totient is φ = 387072000.

The previous prime is 1445181677. The next prime is 1445181707. The reversal of 1445181696 is 6961815441.

1445181696 is a `hidden beast` number, since 1 + 44 + 518 + 1 + 6 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (432).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5757571 + ... + 5757821.

It is an arithmetic number, because the mean of its divisors is an integer number (12233340).

Almost surely, 2^1445181696 is an apocalyptic number.

1445181696 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 1445181696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2642401440).

1445181696 is an abundant number, since it is smaller than the sum of its proper divisors (3839621184).

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

1445181696 is a wasteful number, since it uses less digits than its factorization.

1445181696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307 (or 280 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 1445181696 is about 38015.5454518280. The cubic root of 1445181696 is about 1130.5961028507.

The spelling of 1445181696 in words is "one billion, four hundred forty-five million, one hundred eighty-one thousand, six hundred ninety-six".