104804145 has 16 divisors (see below), whose sum is σ = 186318720. Its totient is φ = 55895472.

The previous prime is 104804137. The next prime is 104804191. The reversal of 104804145 is 541408401.

It is a happy number.

It is not a de Polignac number, because 104804145 - 2³ = 104804137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon 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, 388029 + ... + 388298.

It is an arithmetic number, because the mean of its divisors is an integer number (11644920).

Almost surely, 2^104804145 is an apocalyptic number.

104804145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104804145 is a deficient number, since it is larger than the sum of its proper divisors (81514575).

104804145 is an equidigital number, since it uses as much as digits as its factorization.

104804145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776341 (or 776335 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 104804145 is about 10237.3895598439. The cubic root of 104804145 is about 471.4758872226.

The spelling of 104804145 in words is "one hundred four million, eight hundred four thousand, one hundred forty-five".