14257442 has 8 divisors (see below), whose sum is σ = 21407232. Its totient is φ = 7121700.

The previous prime is 14257423. The next prime is 14257457. The reversal of 14257442 is 24475241.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 434 + ... + 5357.

It is an arithmetic number, because the mean of its divisors is an integer number (2675904).

Almost surely, 2^14257442 is an apocalyptic number.

14257442 is a deficient number, since it is larger than the sum of its proper divisors (7149790).

14257442 is a wasteful number, since it uses less digits than its factorization.

14257442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7024.

The product of its digits is 8960, while the sum is 29.

The square root of 14257442 is about 3775.9028059525. The cubic root of 14257442 is about 242.4825764220.

The spelling of 14257442 in words is "fourteen million, two hundred fifty-seven thousand, four hundred forty-two".