104455999 has 4 divisors (see below), whose sum is σ = 108057960. Its totient is φ = 100854040.

The previous prime is 104455979. The next prime is 104456017. The reversal of 104455999 is 999554401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 104455999 - 2⁹ = 104455487 is a prime.

It is a super-2 number, since 2×104455999² = 21822111454176002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104455969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1800937 + ... + 1800994.

It is an arithmetic number, because the mean of its divisors is an integer number (27014490).

Almost surely, 2^104455999 is an apocalyptic number.

104455999 is a deficient number, since it is larger than the sum of its proper divisors (3601961).

104455999 is an equidigital number, since it uses as much as digits as its factorization.

104455999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3601960.

The product of its (nonzero) digits is 291600, while the sum is 46.

The square root of 104455999 is about 10220.3717642755. The cubic root of 104455999 is about 470.9532471628.

The spelling of 104455999 in words is "one hundred four million, four hundred fifty-five thousand, nine hundred ninety-nine".