104745645 has 12 divisors (see below), whose sum is σ = 181559196. Its totient is φ = 55864320.

The previous prime is 104745629. The next prime is 104745647. The reversal of 104745645 is 546547401.

104745645 is a `hidden beast` number, since 1 + 0 + 4 + 7 + 4 + 5 + 645 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 15896169 + 88849476 = 3987^2 + 9426^2 .

It is not a de Polignac number, because 104745645 - 2⁴ = 104745629 is a prime.

It is a super-3 number, since 3×104745645³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104745647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1163796 + ... + 1163885.

It is an arithmetic number, because the mean of its divisors is an integer number (15129933).

Almost surely, 2^104745645 is an apocalyptic number.

104745645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104745645 is a deficient number, since it is larger than the sum of its proper divisors (76813551).

104745645 is a wasteful number, since it uses less digits than its factorization.

104745645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2327692 (or 2327689 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 104745645 is about 10234.5319873456. The cubic root of 104745645 is about 471.3881474587.

The spelling of 104745645 in words is "one hundred four million, seven hundred forty-five thousand, six hundred forty-five".