14947157 has 4 divisors (see below), whose sum is σ = 14958720. Its totient is φ = 14935596.

The previous prime is 14947147. The next prime is 14947159. The reversal of 14947157 is 75174941.

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 14947157 - 2²² = 10752853 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14947157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14947159) by changing a digit.

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, 3557 + ... + 6522.

It is an arithmetic number, because the mean of its divisors is an integer number (3739680).

Almost surely, 2^14947157 is an apocalyptic number.

It is an amenable number.

14947157 is a deficient number, since it is larger than the sum of its proper divisors (11563).

14947157 is a wasteful number, since it uses less digits than its factorization.

14947157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11562.

The product of its digits is 35280, while the sum is 38.

The square root of 14947157 is about 3866.1553253846. The cubic root of 14947157 is about 246.3312621428.

The spelling of 14947157 in words is "fourteen million, nine hundred forty-seven thousand, one hundred fifty-seven".