14148381 has 16 divisors (see below), whose sum is σ = 21200256. Its totient is φ = 8327616.

The previous prime is 14148371. The next prime is 14148397. The reversal of 14148381 is 18384141.

It is not a de Polignac number, because 14148381 - 2¹⁸ = 13886237 is a prime.

It is a super-2 number, since 2×14148381² = 400353369842322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14148311) 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, 6990 + ... + 8783.

It is an arithmetic number, because the mean of its divisors is an integer number (1325016).

Almost surely, 2^14148381 is an apocalyptic number.

It is an amenable number.

14148381 is a deficient number, since it is larger than the sum of its proper divisors (7051875).

14148381 is a wasteful number, since it uses less digits than its factorization.

14148381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15812.

The product of its digits is 3072, while the sum is 30.

The square root of 14148381 is about 3761.4333704055. The cubic root of 14148381 is about 241.8627104173.

The spelling of 14148381 in words is "fourteen million, one hundred forty-eight thousand, three hundred eighty-one".