1446345225 has 72 divisors (see below), whose sum is σ = 2911272000. Its totient is φ = 681056640.

The previous prime is 1446345209. The next prime is 1446345247. The reversal of 1446345225 is 5225436441.

1446345225 is a `hidden beast` number, since 14 + 4 + 634 + 5 + 2 + 2 + 5 = 666.

It is not a de Polignac number, because 1446345225 - 2⁴ = 1446345209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1446345225.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 56526 + ... + 78024.

Almost surely, 2^1446345225 is an apocalyptic number.

1446345225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1446345225 is an abundant number, since it is smaller than the sum of its proper divisors (1464926775).

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

1446345225 is a wasteful number, since it uses less digits than its factorization.

1446345225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21551 (or 21543 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 1446345225 is about 38030.8457045068. The cubic root of 1446345225 is about 1130.8994392130.

The spelling of 1446345225 in words is "one billion, four hundred forty-six million, three hundred forty-five thousand, two hundred twenty-five".