445566049 has 2 divisors, whose sum is σ = 445566050. Its totient is φ = 445566048.

The previous prime is 445566041. The next prime is 445566091. The reversal of 445566049 is 940665544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 394300449 + 51265600 = 19857^2 + 7160^2 .

It is a cyclic number.

It is not a de Polignac number, because 445566049 - 2³ = 445566041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 445565996 and 445566014.

It is not a weakly prime, because it can be changed into another prime (445566041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222783024 + 222783025.

It is an arithmetic number, because the mean of its divisors is an integer number (222783025).

Almost surely, 2^445566049 is an apocalyptic number.

It is an amenable number.

445566049 is a deficient number, since it is larger than the sum of its proper divisors (1).

445566049 is an equidigital number, since it uses as much as digits as its factorization.

445566049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 43.

The square root of 445566049 is about 21108.4354938967. The cubic root of 445566049 is about 763.7842474618.

It can be divided in two parts, 44556 and 6049, that added together give a palindrome (50605).

The spelling of 445566049 in words is "four hundred forty-five million, five hundred sixty-six thousand, forty-nine".