14557142 has 4 divisors (see below), whose sum is σ = 21835716. Its totient is φ = 7278570.

The previous prime is 14557111. The next prime is 14557163. The reversal of 14557142 is 24175541.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3639284 + ... + 3639287.

It is an arithmetic number, because the mean of its divisors is an integer number (5458929).

Almost surely, 2^14557142 is an apocalyptic number.

14557142 is a deficient number, since it is larger than the sum of its proper divisors (7278574).

14557142 is an equidigital number, since it uses as much as digits as its factorization.

14557142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7278573.

The product of its digits is 5600, while the sum is 29.

The square root of 14557142 is about 3815.3822875303. The cubic root of 14557142 is about 244.1698517266.

The spelling of 14557142 in words is "fourteen million, five hundred fifty-seven thousand, one hundred forty-two".