14587442857 has 4 divisors (see below), whose sum is σ = 15709553860. Its totient is φ = 13465331856.

The previous prime is 14587442839. The next prime is 14587442897. The reversal of 14587442857 is 75824478541.

It is a happy number.

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 9429186816 + 5158256041 = 97104^2 + 71821^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14587442857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14587442798 and 14587442807.

It is not an unprimeable number, because it can be changed into a prime (14587442897) 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, 561055482 + ... + 561055507.

It is an arithmetic number, because the mean of its divisors is an integer number (3927388465).

Almost surely, 2^14587442857 is an apocalyptic number.

It is an amenable number.

14587442857 is a deficient number, since it is larger than the sum of its proper divisors (1122111003).

14587442857 is a wasteful number, since it uses less digits than its factorization.

14587442857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122111002.

The product of its digits is 10035200, while the sum is 55.

The spelling of 14587442857 in words is "fourteen billion, five hundred eighty-seven million, four hundred forty-two thousand, eight hundred fifty-seven".