1445099618816 has 160 divisors (see below), whose sum is σ = 3409341788160. Its totient is φ = 598816051200.

The previous prime is 1445099618803. The next prime is 1445099618819. The reversal of 1445099618816 is 6188169905441.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is not an unprimeable number, because it can be changed into a prime (1445099618819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139874771 + ... + 139885101.

It is an arithmetic number, because the mean of its divisors is an integer number (21308386176).

Almost surely, 2^{1445099618816} is an apocalyptic number.

1445099618816 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 1445099618816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1704670894080).

1445099618816 is an abundant number, since it is smaller than the sum of its proper divisors (1964242169344).

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

1445099618816 is a wasteful number, since it uses less digits than its factorization.

1445099618816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11646 (or 11630 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 62.

The spelling of 1445099618816 in words is "one trillion, four hundred forty-five billion, ninety-nine million, six hundred eighteen thousand, eight hundred sixteen".