1445321105 has 8 divisors (see below), whose sum is σ = 1734591552. Its totient is φ = 1156119408.

The previous prime is 1445321083. The next prime is 1445321123. The reversal of 1445321105 is 5011235441.

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

It is a cyclic number.

It is not a de Polignac number, because 1445321105 - 2⁶ = 1445321041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63572 + ... + 83258.

It is an arithmetic number, because the mean of its divisors is an integer number (216823944).

Almost surely, 2^1445321105 is an apocalyptic number.

It is an amenable number.

1445321105 is a deficient number, since it is larger than the sum of its proper divisors (289270447).

1445321105 is a wasteful number, since it uses less digits than its factorization.

1445321105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34375.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1445321105 is about 38017.3789864583. The cubic root of 1445321105 is about 1130.6324558816.

Adding to 1445321105 its reverse (5011235441), we get a palindrome (6456556546).

The spelling of 1445321105 in words is "one billion, four hundred forty-five million, three hundred twenty-one thousand, one hundred five".