445052449 has 2 divisors, whose sum is σ = 445052450. Its totient is φ = 445052448.

The previous prime is 445052437. The next prime is 445052477. The reversal of 445052449 is 944250544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 435473424 + 9579025 = 20868^2 + 3095^2 .

It is a cyclic number.

It is not a de Polignac number, because 445052449 - 2¹⁵ = 445019681 is a prime.

It is not a weakly prime, because it can be changed into another prime (445052479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222526224 + 222526225.

It is an arithmetic number, because the mean of its divisors is an integer number (222526225).

Almost surely, 2^445052449 is an apocalyptic number.

It is an amenable number.

445052449 is a deficient number, since it is larger than the sum of its proper divisors (1).

445052449 is an equidigital number, since it uses as much as digits as its factorization.

445052449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 115200, while the sum is 37.

The square root of 445052449 is about 21096.2662336253. The cubic root of 445052449 is about 763.4906655393.

The spelling of 445052449 in words is "four hundred forty-five million, fifty-two thousand, four hundred forty-nine".