1445394782 has 8 divisors (see below), whose sum is σ = 2334868536. Its totient is φ = 667105272.

The previous prime is 1445394779. The next prime is 1445394851. The reversal of 1445394782 is 2874935441.

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

It is a congruent number.

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, 27796028 + ... + 27796079.

It is an arithmetic number, because the mean of its divisors is an integer number (291858567).

Almost surely, 2^1445394782 is an apocalyptic number.

1445394782 is a deficient number, since it is larger than the sum of its proper divisors (889473754).

1445394782 is a wasteful number, since it uses less digits than its factorization.

1445394782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55592122.

The product of its digits is 967680, while the sum is 47.

The square root of 1445394782 is about 38018.3479651602. The cubic root of 1445394782 is about 1130.6516673430.

The spelling of 1445394782 in words is "one billion, four hundred forty-five million, three hundred ninety-four thousand, seven hundred eighty-two".