1445616812842 has 16 divisors (see below), whose sum is σ = 2195929987200. Its totient is φ = 713640620160.

The previous prime is 1445616812839. The next prime is 1445616812873. The reversal of 1445616812842 is 2482186165441.

It is a super-2 number, since 2×1445616812842² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1445616812842.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7702842 + ... + 7888282.

It is an arithmetic number, because the mean of its divisors is an integer number (137245624200).

Almost surely, 2^{1445616812842} is an apocalyptic number.

1445616812842 is a deficient number, since it is larger than the sum of its proper divisors (750313174358).

1445616812842 is a wasteful number, since it uses less digits than its factorization.

1445616812842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234861.

The product of its digits is 2949120, while the sum is 52.

The spelling of 1445616812842 in words is "one trillion, four hundred forty-five billion, six hundred sixteen million, eight hundred twelve thousand, eight hundred forty-two".