14981854 has 4 divisors (see below), whose sum is σ = 22472784. Its totient is φ = 7490926.

The previous prime is 14981843. The next prime is 14981873. The reversal of 14981854 is 45818941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45818941 = 7 ⋅6545563.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3745462 + ... + 3745465.

It is an arithmetic number, because the mean of its divisors is an integer number (5618196).

Almost surely, 2^14981854 is an apocalyptic number.

14981854 is a deficient number, since it is larger than the sum of its proper divisors (7490930).

14981854 is an equidigital number, since it uses as much as digits as its factorization.

14981854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7490929.

The product of its digits is 46080, while the sum is 40.

The square root of 14981854 is about 3870.6399987599. The cubic root of 14981854 is about 246.5217186722.

The spelling of 14981854 in words is "fourteen million, nine hundred eighty-one thousand, eight hundred fifty-four".