104555145 has 32 divisors (see below), whose sum is σ = 172351872. Its totient is φ = 54093312.

The previous prime is 104555141. The next prime is 104555149. The reversal of 104555145 is 541555401.

It is an interprime number because it is at equal distance from previous prime (104555141) and next prime (104555149).

It is not a de Polignac number, because 104555145 - 2² = 104555141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104555141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111117 + ... + 112053.

It is an arithmetic number, because the mean of its divisors is an integer number (5385996).

Almost surely, 2^104555145 is an apocalyptic number.

104555145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104555145 is a deficient number, since it is larger than the sum of its proper divisors (67796727).

104555145 is a wasteful number, since it uses less digits than its factorization.

104555145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161.

The product of its (nonzero) digits is 10000, while the sum is 30.

The square root of 104555145 is about 10225.2210245060. The cubic root of 104555145 is about 471.1022041900.

The spelling of 104555145 in words is "one hundred four million, five hundred fifty-five thousand, one hundred forty-five".