14457381 has 4 divisors (see below), whose sum is σ = 19276512. Its totient is φ = 9638252.

The previous prime is 14457371. The next prime is 14457383. The reversal of 14457381 is 18375441.

14457381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14457381 - 2¹⁴ = 14440997 is a prime.

It is a super-2 number, since 2×14457381² = 418031730758322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14457383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2409561 + ... + 2409566.

It is an arithmetic number, because the mean of its divisors is an integer number (4819128).

Almost surely, 2^14457381 is an apocalyptic number.

It is an amenable number.

14457381 is a deficient number, since it is larger than the sum of its proper divisors (4819131).

14457381 is an equidigital number, since it uses as much as digits as its factorization.

14457381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4819130.

The product of its digits is 13440, while the sum is 33.

The square root of 14457381 is about 3802.2862859075. The cubic root of 14457381 is about 243.6108023122.

The spelling of 14457381 in words is "fourteen million, four hundred fifty-seven thousand, three hundred eighty-one".