14308642 has 4 divisors (see below), whose sum is σ = 21462966. Its totient is φ = 7154320.

The previous prime is 14308627. The next prime is 14308649. The reversal of 14308642 is 24680341.

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

It can be written as a sum of positive squares in only one way, i.e., 11964681 + 2343961 = 3459^2 + 1531^2 .

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 14308642.

It is not an unprimeable number, because it can be changed into a prime (14308649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3577159 + ... + 3577162.

Almost surely, 2^14308642 is an apocalyptic number.

14308642 is a deficient number, since it is larger than the sum of its proper divisors (7154324).

14308642 is an equidigital number, since it uses as much as digits as its factorization.

14308642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7154323.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 14308642 is about 3782.6765656080. The cubic root of 14308642 is about 242.7724899554.

Adding to 14308642 its reverse (24680341), we get a palindrome (38988983).

The spelling of 14308642 in words is "fourteen million, three hundred eight thousand, six hundred forty-two".