14642146 has 4 divisors (see below), whose sum is σ = 21963222. Its totient is φ = 7321072.

The previous prime is 14642119. The next prime is 14642167. The reversal of 14642146 is 64124641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64124641 = 7 ⋅9160663.

It can be written as a sum of positive squares in only one way, i.e., 14145121 + 497025 = 3761^2 + 705^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3660535 + ... + 3660538.

Almost surely, 2^14642146 is an apocalyptic number.

14642146 is a deficient number, since it is larger than the sum of its proper divisors (7321076).

14642146 is an equidigital number, since it uses as much as digits as its factorization.

14642146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7321075.

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

The square root of 14642146 is about 3826.5057167081. The cubic root of 14642146 is about 244.6441926691.

Adding to 14642146 its reverse (64124641), we get a palindrome (78766787).

The spelling of 14642146 in words is "fourteen million, six hundred forty-two thousand, one hundred forty-six".