1445083738518 has 96 divisors (see below), whose sum is σ = 3422331304704. Its totient is φ = 398474020224.

The previous prime is 1445083738517. The next prime is 1445083738541. The reversal of 1445083738518 is 8158373805441.

It is a super-2 number, since 2×1445083738518² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445083738517) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 98788321 + ... + 98802947.

It is an arithmetic number, because the mean of its divisors is an integer number (35649284424).

Almost surely, 2^{1445083738518} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1445083738518, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1711165652352).

1445083738518 is an abundant number, since it is smaller than the sum of its proper divisors (1977247566186).

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

1445083738518 is a wasteful number, since it uses less digits than its factorization.

1445083738518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17494 (or 17465 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 57.

The spelling of 1445083738518 in words is "one trillion, four hundred forty-five billion, eighty-three million, seven hundred thirty-eight thousand, five hundred eighteen".