104520145 has 16 divisors (see below), whose sum is σ = 128063232. Its totient is φ = 81869760.

The previous prime is 104520137. The next prime is 104520161. The reversal of 104520145 is 541025401.

It is not a de Polignac number, because 104520145 - 2³ = 104520137 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79564 + ... + 80866.

It is an arithmetic number, because the mean of its divisors is an integer number (8003952).

Almost surely, 2^104520145 is an apocalyptic number.

It is an amenable number.

104520145 is a deficient number, since it is larger than the sum of its proper divisors (23543087).

104520145 is a wasteful number, since it uses less digits than its factorization.

104520145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 104520145 is about 10223.5094268064. The cubic root of 104520145 is about 471.0496309208.

Adding to 104520145 its reverse (541025401), we get a palindrome (645545546).

The spelling of 104520145 in words is "one hundred four million, five hundred twenty thousand, one hundred forty-five".