445552245009 has 9 divisors (see below), whose sum is σ = 643578357513. Its totient is φ = 297033495012.

The previous prime is 445552245001. The next prime is 445552245023. The reversal of 445552245009 is 900542255544.

The square root of 445552245009 is 667497.

It is a perfect power (a square), and thus also a powerful number.

445552245009 is a `hidden beast` number, since 4 + 45 + 552 + 2 + 4 + 50 + 0 + 9 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 445552245009 - 2³ = 445552245001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (445552245001) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1891242 + ... + 2113740.

Almost surely, 2^445552245009 is an apocalyptic number.

445552245009 is the 667497-th square number.

445552245009 is the 333749-th centered octagonal number.

It is an amenable number.

445552245009 is a deficient number, since it is larger than the sum of its proper divisors (198026112504).

445552245009 is an frugal number, since it uses more digits than its factorization.

445552245009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445004 (or 222502 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 45.

It can be divided in two parts, 445552 and 245009, that added together give a square (690561 = 831²).

The spelling of 445552245009 in words is "four hundred forty-five billion, five hundred fifty-two million, two hundred forty-five thousand, nine".