445756643426225 has 12 divisors (see below), whose sum is σ = 552738598719984. Its totient is φ = 356605081920720.

The previous prime is 445756643426203. The next prime is 445756643426249. The reversal of 445756643426225 is 522624346657544.

It is not a de Polignac number, because 445756643426225 - 2¹⁰ = 445756643425201 is a prime.

It is a super-2 number, since 2×445756643426225² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40449422 + ... + 50275928.

It is an arithmetic number, because the mean of its divisors is an integer number (46061549893332).

Almost surely, 2^{445756643426225} is an apocalyptic number.

It is an amenable number.

445756643426225 is a deficient number, since it is larger than the sum of its proper divisors (106981955293759).

445756643426225 is a wasteful number, since it uses less digits than its factorization.

445756643426225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11641024 (or 11641019 counting only the distinct ones).

The product of its digits is 1161216000, while the sum is 65.

The spelling of 445756643426225 in words is "four hundred forty-five trillion, seven hundred fifty-six billion, six hundred forty-three million, four hundred twenty-six thousand, two hundred twenty-five".