1445456511642 has 64 divisors (see below), whose sum is σ = 3596100810624. Its totient is φ = 380539760640.

The previous prime is 1445456511619. The next prime is 1445456511673. The reversal of 1445456511642 is 2461156545441.

It is a junction number, because it is equal to n+sod(n) for n = 1445456511591 and 1445456511600.

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 31 ways as a sum of consecutive naturals, for example, 49534863 + ... + 49564034.

It is an arithmetic number, because the mean of its divisors is an integer number (56189075166).

Almost surely, 2^{1445456511642} is an apocalyptic number.

1445456511642 is an abundant number, since it is smaller than the sum of its proper divisors (2150644298982).

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

1445456511642 is a wasteful number, since it uses less digits than its factorization.

1445456511642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99098943.

The product of its digits is 2304000, while the sum is 48.

The spelling of 1445456511642 in words is "one trillion, four hundred forty-five billion, four hundred fifty-six million, five hundred eleven thousand, six hundred forty-two".