1445343794 has 16 divisors (see below), whose sum is σ = 2283478080. Its totient is φ = 684229680.

The previous prime is 1445343787. The next prime is 1445343797. The reversal of 1445343794 is 4973435441.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1445343797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59192 + ... + 79964.

It is an arithmetic number, because the mean of its divisors is an integer number (142717380).

Almost surely, 2^1445343794 is an apocalyptic number.

1445343794 is a deficient number, since it is larger than the sum of its proper divisors (838134286).

1445343794 is a wasteful number, since it uses less digits than its factorization.

1445343794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22625.

The product of its digits is 725760, while the sum is 44.

The square root of 1445343794 is about 38017.6773882887. The cubic root of 1445343794 is about 1130.6383721645.

The spelling of 1445343794 in words is "one billion, four hundred forty-five million, three hundred forty-three thousand, seven hundred ninety-four".