104143995 has 16 divisors (see below), whose sum is σ = 185145120. Its totient is φ = 55543392.

The previous prime is 104143969. The next prime is 104143999. The reversal of 104143995 is 599341401.

It is a happy number.

It is not a de Polignac number, because 104143995 - 2⁷ = 104143867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104143999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 385584 + ... + 385853.

It is an arithmetic number, because the mean of its divisors is an integer number (11571570).

Almost surely, 2^104143995 is an apocalyptic number.

104143995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

104143995 is a deficient number, since it is larger than the sum of its proper divisors (81001125).

104143995 is an equidigital number, since it uses as much as digits as its factorization.

104143995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771451 (or 771445 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 104143995 is about 10205.0965208566. The cubic root of 104143995 is about 470.4838761954.

The spelling of 104143995 in words is "one hundred four million, one hundred forty-three thousand, nine hundred ninety-five".