14487457 has 2 divisors, whose sum is σ = 14487458. Its totient is φ = 14487456.

The previous prime is 14487437. The next prime is 14487503. The reversal of 14487457 is 75478441.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14409616 + 77841 = 3796^2 + 279^2 .

It is a cyclic number.

It is not a de Polignac number, because 14487457 - 2²³ = 6098849 is a prime.

It is not a weakly prime, because it can be changed into another prime (14487437) 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 as a sum of consecutive naturals, namely, 7243728 + 7243729.

It is an arithmetic number, because the mean of its divisors is an integer number (7243729).

Almost surely, 2^14487457 is an apocalyptic number.

It is an amenable number.

14487457 is a deficient number, since it is larger than the sum of its proper divisors (1).

14487457 is an equidigital number, since it uses as much as digits as its factorization.

14487457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 125440, while the sum is 40.

The square root of 14487457 is about 3806.2392200176. The cubic root of 14487457 is about 243.7796148983.

The spelling of 14487457 in words is "fourteen million, four hundred eighty-seven thousand, four hundred fifty-seven".