445409141 has 2 divisors, whose sum is σ = 445409142. Its totient is φ = 445409140.

The previous prime is 445409137. The next prime is 445409161. The reversal of 445409141 is 141904544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 303108100 + 142301041 = 17410^2 + 11929^2 .

It is a cyclic number.

It is not a de Polignac number, because 445409141 - 2² = 445409137 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 445409098 and 445409107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445409161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222704570 + 222704571.

It is an arithmetic number, because the mean of its divisors is an integer number (222704571).

Almost surely, 2^445409141 is an apocalyptic number.

It is an amenable number.

445409141 is a deficient number, since it is larger than the sum of its proper divisors (1).

445409141 is an equidigital number, since it uses as much as digits as its factorization.

445409141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 445409141 is about 21104.7184534644. The cubic root of 445409141 is about 763.6945802998.

The spelling of 445409141 in words is "four hundred forty-five million, four hundred nine thousand, one hundred forty-one".