1445020112 has 20 divisors (see below), whose sum is σ = 2890041216. Its totient is φ = 699203040.

The previous prime is 1445020079. The next prime is 1445020141. The reversal of 1445020112 is 2110205441.

It is a happy number.

1445020112 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1456178 + ... + 1457169.

Almost surely, 2^1445020112 is an apocalyptic number.

It is an amenable number.

1445020112 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1445020112 is a wasteful number, since it uses less digits than its factorization.

1445020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2913386 (or 2913380 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1445020112 is about 38013.4201565710. The cubic root of 1445020112 is about 1130.5539644238.

Adding to 1445020112 its reverse (2110205441), we get a palindrome (3555225553).

The spelling of 1445020112 in words is "one billion, four hundred forty-five million, twenty thousand, one hundred twelve".