445041481 has 2 divisors, whose sum is σ = 445041482. Its totient is φ = 445041480.

The previous prime is 445041437. The next prime is 445041517. The reversal of 445041481 is 184140544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 418611600 + 26429881 = 20460^2 + 5141^2 .

It is a cyclic number.

It is not a de Polignac number, because 445041481 - 2⁷ = 445041353 is a prime.

It is a super-2 number, since 2×445041481² = 396123839621346722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (445041431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222520740 + 222520741.

It is an arithmetic number, because the mean of its divisors is an integer number (222520741).

Almost surely, 2^445041481 is an apocalyptic number.

It is an amenable number.

445041481 is a deficient number, since it is larger than the sum of its proper divisors (1).

445041481 is an equidigital number, since it uses as much as digits as its factorization.

445041481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 445041481 is about 21096.0062808106. The cubic root of 445041481 is about 763.4843935936.

The spelling of 445041481 in words is "four hundred forty-five million, forty-one thousand, four hundred eighty-one".