14142405 has 8 divisors (see below), whose sum is σ = 22627872. Its totient is φ = 7542608.

The previous prime is 14142397. The next prime is 14142407. The reversal of 14142405 is 50424141.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14142405 - 2³ = 14142397 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14142407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 471399 + ... + 471428.

It is an arithmetic number, because the mean of its divisors is an integer number (2828484).

Almost surely, 2^14142405 is an apocalyptic number.

14142405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14142405 is a deficient number, since it is larger than the sum of its proper divisors (8485467).

14142405 is an equidigital number, since it uses as much as digits as its factorization.

14142405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942835.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 14142405 is about 3760.6389084835. The cubic root of 14142405 is about 241.8286529256.

Adding to 14142405 its reverse (50424141), we get a palindrome (64566546).

The spelling of 14142405 in words is "fourteen million, one hundred forty-two thousand, four hundred five".