1445816473917 has 16 divisors (see below), whose sum is σ = 1975331061312. Its totient is φ = 940103038080.

The previous prime is 1445816473879. The next prime is 1445816473951. The reversal of 1445816473917 is 7193746185441.

It is not a de Polignac number, because 1445816473917 - 2³⁹ = 896060660029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445816473417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1220698 + ... + 2093259.

It is an arithmetic number, because the mean of its divisors is an integer number (123458191332).

Almost surely, 2^{1445816473917} is an apocalyptic number.

It is an amenable number.

1445816473917 is a deficient number, since it is larger than the sum of its proper divisors (529514587395).

1445816473917 is a wasteful number, since it uses less digits than its factorization.

1445816473917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3317548.

The product of its digits is 20321280, while the sum is 60.

The spelling of 1445816473917 in words is "one trillion, four hundred forty-five billion, eight hundred sixteen million, four hundred seventy-three thousand, nine hundred seventeen".