14887157 has 4 divisors (see below), whose sum is σ = 14894880. Its totient is φ = 14879436.

The previous prime is 14887153. The next prime is 14887181. The reversal of 14887157 is 75178841.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 75178841 = 499 ⋅150659.

It is a cyclic number.

It is not a de Polignac number, because 14887157 - 2² = 14887153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14887153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1718 + ... + 5720.

It is an arithmetic number, because the mean of its divisors is an integer number (3723720).

Almost surely, 2^14887157 is an apocalyptic number.

It is an amenable number.

14887157 is a deficient number, since it is larger than the sum of its proper divisors (7723).

14887157 is an equidigital number, since it uses as much as digits as its factorization.

14887157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7722.

The product of its digits is 62720, while the sum is 41.

The square root of 14887157 is about 3858.3878757844. The cubic root of 14887157 is about 246.0012173029.

The spelling of 14887157 in words is "fourteen million, eight hundred eighty-seven thousand, one hundred fifty-seven".