445240101 has 8 divisors (see below), whose sum is σ = 593766304. Its totient is φ = 296770320.

The previous prime is 445240099. The next prime is 445240151. The reversal of 445240101 is 101042544.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 445240101 - 2¹ = 445240099 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445240151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10386 + ... + 31596.

It is an arithmetic number, because the mean of its divisors is an integer number (74220788).

Almost surely, 2^445240101 is an apocalyptic number.

It is an amenable number.

445240101 is a deficient number, since it is larger than the sum of its proper divisors (148526203).

445240101 is a wasteful number, since it uses less digits than its factorization.

445240101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28211.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 445240101 is about 21100.7132817827. The cubic root of 445240101 is about 763.5979565782.

Adding to 445240101 its reverse (101042544), we get a palindrome (546282645).

The spelling of 445240101 in words is "four hundred forty-five million, two hundred forty thousand, one hundred one".