1445873049 has 12 divisors (see below), whose sum is σ = 2093473200. Its totient is φ = 961612344.

The previous prime is 1445873041. The next prime is 1445873053. The reversal of 1445873049 is 9403785441.

It is not a de Polignac number, because 1445873049 - 2³ = 1445873041 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1445872995 and 1445873013.

It is not an unprimeable number, because it can be changed into a prime (1445873041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187939 + ... + 195480.

It is an arithmetic number, because the mean of its divisors is an integer number (174456100).

Almost surely, 2^1445873049 is an apocalyptic number.

It is an amenable number.

1445873049 is a deficient number, since it is larger than the sum of its proper divisors (647600151).

1445873049 is a wasteful number, since it uses less digits than its factorization.

1445873049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383844 (or 383841 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 1445873049 is about 38024.6373947208. The cubic root of 1445873049 is about 1130.7763607844.

The spelling of 1445873049 in words is "one billion, four hundred forty-five million, eight hundred seventy-three thousand, forty-nine".