445323141 has 12 divisors (see below), whose sum is σ = 652057068. Its totient is φ = 292814784.

The previous prime is 445323133. The next prime is 445323161. The reversal of 445323141 is 141323544.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 382358916 + 62964225 = 19554^2 + 7935^2 .

It is not a de Polignac number, because 445323141 - 2³ = 445323133 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445323161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 338250 + ... + 339563.

It is an arithmetic number, because the mean of its divisors is an integer number (54338089).

Almost surely, 2^445323141 is an apocalyptic number.

It is an amenable number.

445323141 is a deficient number, since it is larger than the sum of its proper divisors (206733927).

445323141 is a wasteful number, since it uses less digits than its factorization.

445323141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677892 (or 677889 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 445323141 is about 21102.6808960378. The cubic root of 445323141 is about 763.6454255225.

Adding to 445323141 its reverse (141323544), we get a palindrome (586646685).

The spelling of 445323141 in words is "four hundred forty-five million, three hundred twenty-three thousand, one hundred forty-one".