14345421 has 4 divisors (see below), whose sum is σ = 19127232. Its totient is φ = 9563612.

The previous prime is 14345413. The next prime is 14345423. The reversal of 14345421 is 12454341.

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 14345421 - 2³ = 14345413 is a prime.

It is a super-2 number, since 2×14345421² = 411582207334482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14345391 and 14345400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14345423) 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, 2390901 + ... + 2390906.

It is an arithmetic number, because the mean of its divisors is an integer number (4781808).

Almost surely, 2^14345421 is an apocalyptic number.

It is an amenable number.

14345421 is a deficient number, since it is larger than the sum of its proper divisors (4781811).

14345421 is an equidigital number, since it uses as much as digits as its factorization.

14345421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4781810.

The product of its digits is 1920, while the sum is 24.

The square root of 14345421 is about 3787.5349503338. The cubic root of 14345421 is about 242.9803198341.

Adding to 14345421 its reverse (12454341), we get a palindrome (26799762).

The spelling of 14345421 in words is "fourteen million, three hundred forty-five thousand, four hundred twenty-one".