1445059456 has 32 divisors (see below), whose sum is σ = 3004002000. Its totient is φ = 691113984.

The previous prime is 1445059397. The next prime is 1445059463. The reversal of 1445059456 is 6549505441.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 242481 + ... + 248368.

Almost surely, 2^1445059456 is an apocalyptic number.

1445059456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1445059456 is an abundant number, since it is smaller than the sum of its proper divisors (1558942544).

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

1445059456 is an equidigital number, since it uses as much as digits as its factorization.

1445059456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490886 (or 490874 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 43.

The square root of 1445059456 is about 38013.9376544972. The cubic root of 1445059456 is about 1130.5642249757.

The spelling of 1445059456 in words is "one billion, four hundred forty-five million, fifty-nine thousand, four hundred fifty-six".