14438146 has 4 divisors (see below), whose sum is σ = 21657222. Its totient is φ = 7219072.

The previous prime is 14438141. The next prime is 14438173. The reversal of 14438146 is 64183441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64183441 = 7 ⋅9169063.

It can be written as a sum of positive squares in only one way, i.e., 12173121 + 2265025 = 3489^2 + 1505^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (14438141) 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, 3609535 + ... + 3609538.

Almost surely, 2^14438146 is an apocalyptic number.

14438146 is a deficient number, since it is larger than the sum of its proper divisors (7219076).

14438146 is an equidigital number, since it uses as much as digits as its factorization.

14438146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7219075.

The product of its digits is 9216, while the sum is 31.

The square root of 14438146 is about 3799.7560448008. The cubic root of 14438146 is about 243.5027160357.

The spelling of 14438146 in words is "fourteen million, four hundred thirty-eight thousand, one hundred forty-six".