1445745782 has 8 divisors (see below), whose sum is σ = 2335435536. Its totient is φ = 667267272.

The previous prime is 1445745781. The next prime is 1445745797. The reversal of 1445745782 is 2875475441.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445745781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27802778 + ... + 27802829.

It is an arithmetic number, because the mean of its divisors is an integer number (291929442).

Almost surely, 2^1445745782 is an apocalyptic number.

1445745782 is a deficient number, since it is larger than the sum of its proper divisors (889689754).

1445745782 is a wasteful number, since it uses less digits than its factorization.

1445745782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55605622.

The product of its digits is 1254400, while the sum is 47.

The square root of 1445745782 is about 38022.9638771098. The cubic root of 1445745782 is about 1130.7431825055.

The spelling of 1445745782 in words is "one billion, four hundred forty-five million, seven hundred forty-five thousand, seven hundred eighty-two".