104454143051605 has 4 divisors (see below), whose sum is σ = 125344971661932. Its totient is φ = 83563314441280.

The previous prime is 104454143051593. The next prime is 104454143051653. The reversal of 104454143051605 is 506150341454401.

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 75283352853604 + 29170790198001 = 8676598^2 + 5400999^2 .

It is not a de Polignac number, because 104454143051605 - 2²⁵ = 104454109497173 is a prime.

It is a super-2 number, since 2×104454143051605² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10445414305156 + ... + 10445414305165.

It is an arithmetic number, because the mean of its divisors is an integer number (31336242915483).

Almost surely, 2^{104454143051605} is an apocalyptic number.

It is an amenable number.

104454143051605 is a deficient number, since it is larger than the sum of its proper divisors (20890828610327).

104454143051605 is an equidigital number, since it uses as much as digits as its factorization.

104454143051605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20890828610326.

The product of its (nonzero) digits is 576000, while the sum is 43.

The spelling of 104454143051605 in words is "one hundred four trillion, four hundred fifty-four billion, one hundred forty-three million, fifty-one thousand, six hundred five".