445142001 has 8 divisors (see below), whose sum is σ = 599285440. Its totient is φ = 293879952.

The previous prime is 445141993. The next prime is 445142039. The reversal of 445142001 is 100241544.

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 445142001 - 2³ = 445141993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445142081) 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, 719986 + ... + 720603.

It is an arithmetic number, because the mean of its divisors is an integer number (74910680).

Almost surely, 2^445142001 is an apocalyptic number.

It is an amenable number.

445142001 is a deficient number, since it is larger than the sum of its proper divisors (154143439).

445142001 is a wasteful number, since it uses less digits than its factorization.

445142001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440695.

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

The square root of 445142001 is about 21098.3885877571. The cubic root of 445142001 is about 763.5418711375.

Adding to 445142001 its reverse (100241544), we get a palindrome (545383545).

The spelling of 445142001 in words is "four hundred forty-five million, one hundred forty-two thousand, one".