14309146 has 4 divisors (see below), whose sum is σ = 21463722. Its totient is φ = 7154572.

The previous prime is 14309143. The next prime is 14309159. The reversal of 14309146 is 64190341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64190341 = 19 ⋅3378439.

It can be written as a sum of positive squares in only one way, i.e., 14145121 + 164025 = 3761^2 + 405^2 .

It is not an unprimeable number, because it can be changed into a prime (14309143) by changing a digit.

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 as a sum of consecutive naturals, namely, 3577285 + ... + 3577288.

Almost surely, 2^14309146 is an apocalyptic number.

14309146 is a deficient number, since it is larger than the sum of its proper divisors (7154576).

14309146 is an equidigital number, since it uses as much as digits as its factorization.

14309146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7154575.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 14309146 is about 3782.7431845157. The cubic root of 14309146 is about 242.7753403517.

Adding to 14309146 its reverse (64190341), we get a palindrome (78499487).

The spelling of 14309146 in words is "fourteen million, three hundred nine thousand, one hundred forty-six".