14142985 has 4 divisors (see below), whose sum is σ = 16971588. Its totient is φ = 11314384.

The previous prime is 14142979. The next prime is 14143007. The reversal of 14142985 is 58924141.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6230016 + 7912969 = 2496^2 + 2813^2 .

It is a cyclic number.

It is not a de Polignac number, because 14142985 - 2¹⁹ = 13618697 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14142985.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1414294 + ... + 1414303.

It is an arithmetic number, because the mean of its divisors is an integer number (4242897).

Almost surely, 2^14142985 is an apocalyptic number.

It is an amenable number.

14142985 is a deficient number, since it is larger than the sum of its proper divisors (2828603).

14142985 is an equidigital number, since it uses as much as digits as its factorization.

14142985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828602.

The product of its digits is 11520, while the sum is 34.

The square root of 14142985 is about 3760.7160222490. The cubic root of 14142985 is about 241.8319587919.

The spelling of 14142985 in words is "fourteen million, one hundred forty-two thousand, nine hundred eighty-five".