1445478356 has 12 divisors (see below), whose sum is σ = 2890956768. Its totient is φ = 619490712.

The previous prime is 1445478343. The next prime is 1445478379. The reversal of 1445478356 is 6538745441.

1445478356 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1445478356.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25812086 + ... + 25812141.

It is an arithmetic number, because the mean of its divisors is an integer number (240913064).

Almost surely, 2^1445478356 is an apocalyptic number.

It is an amenable number.

1445478356 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.

1445478356 is a wasteful number, since it uses less digits than its factorization.

1445478356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51624238 (or 51624236 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 47.

The square root of 1445478356 is about 38019.4470764634. The cubic root of 1445478356 is about 1130.6734586816.

The spelling of 1445478356 in words is "one billion, four hundred forty-five million, four hundred seventy-eight thousand, three hundred fifty-six".