104554451405 has 4 divisors (see below), whose sum is σ = 125465341692. Its totient is φ = 83643561120.

The previous prime is 104554451401. The next prime is 104554451423. The reversal of 104554451405 is 504154455401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 504154455401 = 149 ⋅3383586949.

It can be written as a sum of positive squares in 2 ways, for example, as 25536679204 + 79017772201 = 159802^2 + 281101^2 .

It is not a de Polignac number, because 104554451405 - 2² = 104554451401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104554451401) 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, 10455445136 + ... + 10455445145.

It is an arithmetic number, because the mean of its divisors is an integer number (31366335423).

Almost surely, 2^104554451405 is an apocalyptic number.

It is an amenable number.

104554451405 is a deficient number, since it is larger than the sum of its proper divisors (20910890287).

104554451405 is an equidigital number, since it uses as much as digits as its factorization.

104554451405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20910890286.

The product of its (nonzero) digits is 160000, while the sum is 38.

The spelling of 104554451405 in words is "one hundred four billion, five hundred fifty-four million, four hundred fifty-one thousand, four hundred five".