1445604425 has 12 divisors (see below), whose sum is σ = 1793338716. Its totient is φ = 1155974400.

The previous prime is 1445604421. The next prime is 1445604449. The reversal of 1445604425 is 5244065441.

It can be written as a sum of positive squares in 6 ways, for example, as 534349456 + 911254969 = 23116^2 + 30187^2 .

It is not a de Polignac number, because 1445604425 - 2² = 1445604421 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1445604421) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 51557 + ... + 74493.

It is an arithmetic number, because the mean of its divisors is an integer number (149444893).

Almost surely, 2^1445604425 is an apocalyptic number.

It is an amenable number.

1445604425 is a deficient number, since it is larger than the sum of its proper divisors (347734291).

1445604425 is a wasteful number, since it uses less digits than its factorization.

1445604425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25468 (or 25463 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

The square root of 1445604425 is about 38021.1049944633. The cubic root of 1445604425 is about 1130.7063287064.

Adding to 1445604425 its reverse (5244065441), we get a palindrome (6689669866).

The spelling of 1445604425 in words is "one billion, four hundred forty-five million, six hundred four thousand, four hundred twenty-five".