14149281 has 16 divisors (see below), whose sum is σ = 20398400. Its totient is φ = 8693568.

The previous prime is 14149241. The next prime is 14149283. The reversal of 14149281 is 18294141.

It is not a de Polignac number, because 14149281 - 2⁶ = 14149217 is a prime.

It is a super-2 number, since 2×14149281² = 400404305633922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14149283) 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, 1246 + ... + 5463.

It is an arithmetic number, because the mean of its divisors is an integer number (1274900).

Almost surely, 2^14149281 is an apocalyptic number.

It is an amenable number.

14149281 is a deficient number, since it is larger than the sum of its proper divisors (6249119).

14149281 is a wasteful number, since it uses less digits than its factorization.

14149281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6768.

The product of its digits is 2304, while the sum is 30.

The square root of 14149281 is about 3761.5530037473. The cubic root of 14149281 is about 241.8678387266.

The spelling of 14149281 in words is "fourteen million, one hundred forty-nine thousand, two hundred eighty-one".