1445305513442 has 8 divisors (see below), whose sum is σ = 2477666594496. Its totient is φ = 619416648612.

The previous prime is 1445305513429. The next prime is 1445305513453. The reversal of 1445305513442 is 2443155035441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1445305513442.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51618054038 + ... + 51618054065.

It is an arithmetic number, because the mean of its divisors is an integer number (309708324312).

Almost surely, 2^{1445305513442} is an apocalyptic number.

1445305513442 is a deficient number, since it is larger than the sum of its proper divisors (1032361081054).

1445305513442 is a wasteful number, since it uses less digits than its factorization.

1445305513442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103236108112.

The product of its (nonzero) digits is 576000, while the sum is 41.

The spelling of 1445305513442 in words is "one trillion, four hundred forty-five billion, three hundred five million, five hundred thirteen thousand, four hundred forty-two".