104661045 has 16 divisors (see below), whose sum is σ = 186064320. Its totient is φ = 55819152.

The previous prime is 104661031. The next prime is 104661059. The reversal of 104661045 is 540166401.

104661045 is a `hidden beast` number, since 1 + 0 + 4 + 6 + 610 + 45 = 666.

It is an interprime number because it is at equal distance from previous prime (104661031) and next prime (104661059).

It is not a de Polignac number, because 104661045 - 2⁷ = 104660917 is a prime.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387499 + ... + 387768.

It is an arithmetic number, because the mean of its divisors is an integer number (11629020).

Almost surely, 2^104661045 is an apocalyptic number.

104661045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104661045 is a deficient number, since it is larger than the sum of its proper divisors (81403275).

104661045 is an equidigital number, since it uses as much as digits as its factorization.

104661045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775281 (or 775275 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 104661045 is about 10230.3980860962. The cubic root of 104661045 is about 471.2612044608.

It can be divided in two parts, 10466 and 1045, that added together give a palindrome (11511).

The spelling of 104661045 in words is "one hundred four million, six hundred sixty-one thousand, forty-five".