14142561 has 16 divisors (see below), whose sum is σ = 19427328. Its totient is φ = 9147600.

The previous prime is 14142559. The next prime is 14142563. The reversal of 14142561 is 16524141.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (14142559) and next prime (14142563).

It is not a de Polignac number, because 14142561 - 2¹ = 14142559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14142563) 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 15 ways as a sum of consecutive naturals, for example, 13776 + ... + 14766.

It is an arithmetic number, because the mean of its divisors is an integer number (1214208).

Almost surely, 2^14142561 is an apocalyptic number.

It is an amenable number.

14142561 is a deficient number, since it is larger than the sum of its proper divisors (5284767).

14142561 is an equidigital number, since it uses as much as digits as its factorization.

14142561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132.

The product of its digits is 960, while the sum is 24.

The square root of 14142561 is about 3760.6596495828. The cubic root of 14142561 is about 241.8295420985.

The spelling of 14142561 in words is "fourteen million, one hundred forty-two thousand, five hundred sixty-one".