14487157 has 4 divisors (see below), whose sum is σ = 14506956. Its totient is φ = 14467360.

The previous prime is 14487133. The next prime is 14487167. The reversal of 14487157 is 75178441.

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

It can be written as a sum of positive squares in 2 ways, for example, as 54756 + 14432401 = 234^2 + 3799^2 .

It is a cyclic number.

It is not a de Polignac number, because 14487157 - 2¹⁵ = 14454389 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 (14487107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8758 + ... + 10279.

It is an arithmetic number, because the mean of its divisors is an integer number (3626739).

Almost surely, 2^14487157 is an apocalyptic number.

It is an amenable number.

14487157 is a deficient number, since it is larger than the sum of its proper divisors (19799).

14487157 is an equidigital number, since it uses as much as digits as its factorization.

14487157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19798.

The product of its digits is 31360, while the sum is 37.

The square root of 14487157 is about 3806.1998108349. The cubic root of 14487157 is about 243.7779321924. Note that the first 3 decimals are identical.

The spelling of 14487157 in words is "fourteen million, four hundred eighty-seven thousand, one hundred fifty-seven".