14148981 has 48 divisors (see below), whose sum is σ = 27001728. Its totient is φ = 6912000.

The previous prime is 14148971. The next prime is 14148991. The reversal of 14148981 is 18984141.

It is an interprime number because it is at equal distance from previous prime (14148971) and next prime (14148991).

It is not a de Polignac number, because 14148981 - 2⁷ = 14148853 is a prime.

It is a super-2 number, since 2×14148981² = 400387326676722, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14148941) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11181 + ... + 12381.

It is an arithmetic number, because the mean of its divisors is an integer number (562536).

Almost surely, 2^14148981 is an apocalyptic number.

14148981 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14148981 is a deficient number, since it is larger than the sum of its proper divisors (12852747).

14148981 is a wasteful number, since it uses less digits than its factorization.

14148981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242 (or 1239 counting only the distinct ones).

The product of its digits is 9216, while the sum is 36.

The square root of 14148981 is about 3761.5131263894. The cubic root of 14148981 is about 241.8661293143.

It can be divided in two parts, 14148 and 981, that added together give a square (15129 = 123²).

The spelling of 14148981 in words is "fourteen million, one hundred forty-eight thousand, nine hundred eighty-one".