445107338788453 has 16 divisors (see below), whose sum is σ = 486019349145216. Its totient is φ = 404269953955840.

The previous prime is 445107338788451. The next prime is 445107338788457. The reversal of 445107338788453 is 354887833701544.

It is a cyclic number.

It is not a de Polignac number, because 445107338788453 - 2¹ = 445107338788451 is a prime.

It is a super-2 number, since 2×445107338788453² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445107338788451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2178027525 + ... + 2178231877.

It is an arithmetic number, because the mean of its divisors is an integer number (30376209321576).

Almost surely, 2^{445107338788453} is an apocalyptic number.

It is an amenable number.

445107338788453 is a deficient number, since it is larger than the sum of its proper divisors (40912010356763).

445107338788453 is a wasteful number, since it uses less digits than its factorization.

445107338788453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385964.

The product of its (nonzero) digits is 1083801600, while the sum is 70.

The spelling of 445107338788453 in words is "four hundred forty-five trillion, one hundred seven billion, three hundred thirty-eight million, seven hundred eighty-eight thousand, four hundred fifty-three".