445636141 has 4 divisors (see below), whose sum is σ = 446409052. Its totient is φ = 444863232.

The previous prime is 445636099. The next prime is 445636153. The reversal of 445636141 is 141636544.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 270470916 + 175165225 = 16446^2 + 13235^2 .

It is a cyclic number.

It is not a de Polignac number, because 445636141 - 2⁹ = 445635629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 445636097 and 445636106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445637141) 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, 385590 + ... + 386743.

It is an arithmetic number, because the mean of its divisors is an integer number (111602263).

Almost surely, 2^445636141 is an apocalyptic number.

It is an amenable number.

445636141 is a deficient number, since it is larger than the sum of its proper divisors (772911).

445636141 is an equidigital number, since it uses as much as digits as its factorization.

445636141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772910.

The product of its digits is 34560, while the sum is 34.

The square root of 445636141 is about 21110.0957127153. The cubic root of 445636141 is about 763.8242956646.

The spelling of 445636141 in words is "four hundred forty-five million, six hundred thirty-six thousand, one hundred forty-one".