445425143552201 has 4 divisors (see below), whose sum is σ = 445768570803732. Its totient is φ = 445081716300672.

The previous prime is 445425143552111. The next prime is 445425143552227. The reversal of 445425143552201 is 102255341524544.

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 227318914255801 + 218106229296400 = 15077099^2 + 14768420^2 .

It is a cyclic number.

It is not a de Polignac number, because 445425143552201 - 2²⁶ = 445425076443337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445425143552231) 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, 171713623820 + ... + 171713626413.

It is an arithmetic number, because the mean of its divisors is an integer number (111442142700933).

Almost surely, 2^{445425143552201} is an apocalyptic number.

It is an amenable number.

445425143552201 is a deficient number, since it is larger than the sum of its proper divisors (343427251531).

445425143552201 is a wasteful number, since it uses less digits than its factorization.

445425143552201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343427251530.

The product of its (nonzero) digits is 3840000, while the sum is 47.

The spelling of 445425143552201 in words is "four hundred forty-five trillion, four hundred twenty-five billion, one hundred forty-three million, five hundred fifty-two thousand, two hundred one".