1445545522415 has 16 divisors (see below), whose sum is σ = 1826098542720. Its totient is φ = 1095483561120.

The previous prime is 1445545522403. The next prime is 1445545522439. The reversal of 1445545522415 is 5142255455441.

It is not a de Polignac number, because 1445545522415 - 2⁸ = 1445545522159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1445545522415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 594752 + ... + 1801338.

It is an arithmetic number, because the mean of its divisors is an integer number (114131158920).

Almost surely, 2^{1445545522415} is an apocalyptic number.

1445545522415 is a deficient number, since it is larger than the sum of its proper divisors (380553020305).

1445545522415 is a wasteful number, since it uses less digits than its factorization.

1445545522415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219222.

The product of its digits is 3200000, while the sum is 47.

The spelling of 1445545522415 in words is "one trillion, four hundred forty-five billion, five hundred forty-five million, five hundred twenty-two thousand, four hundred fifteen".