104545729 has 4 divisors (see below), whose sum is σ = 105343920. Its totient is φ = 103747540.

The previous prime is 104545723. The next prime is 104545747. The reversal of 104545729 is 927545401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 104545729 - 2⁵ = 104545697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104545723) 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, 398899 + ... + 399160.

It is an arithmetic number, because the mean of its divisors is an integer number (26335980).

Almost surely, 2^104545729 is an apocalyptic number.

It is an amenable number.

104545729 is a deficient number, since it is larger than the sum of its proper divisors (798191).

104545729 is an equidigital number, since it uses as much as digits as its factorization.

104545729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798190.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 104545729 is about 10224.7605839941. The cubic root of 104545729 is about 471.0880616323.

The spelling of 104545729 in words is "one hundred four million, five hundred forty-five thousand, seven hundred twenty-nine".