445075013371251 has 16 divisors (see below), whose sum is σ = 601611009917600. Its totient is φ = 292628500727040.

The previous prime is 445075013371223. The next prime is 445075013371321. The reversal of 445075013371251 is 152173310570544.

It is a happy number.

It is not a de Polignac number, because 445075013371251 - 2¹⁰ = 445075013370227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 445075013371251.

It is not an unprimeable number, because it can be changed into a prime (445075013371151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79089076 + ... + 84529473.

It is an arithmetic number, because the mean of its divisors is an integer number (37600688119850).

Almost surely, 2^{445075013371251} is an apocalyptic number.

445075013371251 is a deficient number, since it is larger than the sum of its proper divisors (156535996546349).

445075013371251 is a wasteful number, since it uses less digits than its factorization.

445075013371251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163631046.

The product of its (nonzero) digits is 1764000, while the sum is 48.

The spelling of 445075013371251 in words is "four hundred forty-five trillion, seventy-five billion, thirteen million, three hundred seventy-one thousand, two hundred fifty-one".