445405141 has 4 divisors (see below), whose sum is σ = 450771552. Its totient is φ = 440038732.

The previous prime is 445405139. The next prime is 445405159. The reversal of 445405141 is 141504544.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 445405141 - 2¹ = 445405139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445409141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2683081 + ... + 2683246.

It is an arithmetic number, because the mean of its divisors is an integer number (112692888).

Almost surely, 2^445405141 is an apocalyptic number.

It is an amenable number.

445405141 is a deficient number, since it is larger than the sum of its proper divisors (5366411).

445405141 is an equidigital number, since it uses as much as digits as its factorization.

445405141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5366410.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 445405141 is about 21104.6236877136. The cubic root of 445405141 is about 763.6922941714.

Adding to 445405141 its reverse (141504544), we get a palindrome (586909685).

The spelling of 445405141 in words is "four hundred forty-five million, four hundred five thousand, one hundred forty-one".