104250645 has 56 divisors (see below), whose sum is σ = 192883896. Its totient is φ = 54027648.

The previous prime is 104250631. The next prime is 104250673. The reversal of 104250645 is 546052401.

104250645 is a `hidden beast` number, since 10 + 4 + 2 + 5 + 0 + 645 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 8191044 + 96059601 = 2862^2 + 9801^2 .

It is not a de Polignac number, because 104250645 - 2¹¹ = 104248597 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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 134479 + ... + 135251.

Almost surely, 2^104250645 is an apocalyptic number.

104250645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

104250645 is a deficient number, since it is larger than the sum of its proper divisors (88633251).

104250645 is an frugal number, since it uses more digits than its factorization.

104250645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833 (or 818 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 104250645 is about 10210.3205140681. The cubic root of 104250645 is about 470.6444230964.

The spelling of 104250645 in words is "one hundred four million, two hundred fifty thousand, six hundred forty-five".