14539994 has 32 divisors (see below), whose sum is σ = 25958016. Its totient is φ = 5978880.

The previous prime is 14539969. The next prime is 14539999. The reversal of 14539994 is 49993541.

It is a happy number.

It is a super-2 number, since 2×14539994² = 422822851040072, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14539999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41729 + ... + 42075.

It is an arithmetic number, because the mean of its divisors is an integer number (811188).

Almost surely, 2^14539994 is an apocalyptic number.

14539994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

14539994 is a deficient number, since it is larger than the sum of its proper divisors (11418022).

14539994 is a wasteful number, since it uses less digits than its factorization.

14539994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470.

The product of its digits is 174960, while the sum is 44.

The square root of 14539994 is about 3813.1344062333. The cubic root of 14539994 is about 244.0739384453.

The spelling of 14539994 in words is "fourteen million, five hundred thirty-nine thousand, nine hundred ninety-four".