445112489 has 2 divisors, whose sum is σ = 445112490. Its totient is φ = 445112488.

The previous prime is 445112401. The next prime is 445112501. The reversal of 445112489 is 984211544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 418898089 + 26214400 = 20467^2 + 5120^2 .

It is a cyclic number.

It is not a de Polignac number, because 445112489 - 2¹² = 445108393 is a prime.

It is not a weakly prime, because it can be changed into another prime (445112089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222556244 + 222556245.

It is an arithmetic number, because the mean of its divisors is an integer number (222556245).

Almost surely, 2^445112489 is an apocalyptic number.

It is an amenable number.

445112489 is a deficient number, since it is larger than the sum of its proper divisors (1).

445112489 is an equidigital number, since it uses as much as digits as its factorization.

445112489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 38.

The square root of 445112489 is about 21097.6891862592. The cubic root of 445112489 is about 763.5249970122.

The spelling of 445112489 in words is "four hundred forty-five million, one hundred twelve thousand, four hundred eighty-nine".