14785457 has 2 divisors, whose sum is σ = 14785458. Its totient is φ = 14785456.

The previous prime is 14785453. The next prime is 14785487. The reversal of 14785457 is 75458741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11771761 + 3013696 = 3431^2 + 1736^2 .

It is a cyclic number.

It is not a de Polignac number, because 14785457 - 2² = 14785453 is a prime.

It is not a weakly prime, because it can be changed into another prime (14785453) 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, 7392728 + 7392729.

It is an arithmetic number, because the mean of its divisors is an integer number (7392729).

Almost surely, 2^14785457 is an apocalyptic number.

It is an amenable number.

14785457 is a deficient number, since it is larger than the sum of its proper divisors (1).

14785457 is an equidigital number, since it uses as much as digits as its factorization.

14785457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 156800, while the sum is 41.

The square root of 14785457 is about 3845.1862113557. The cubic root of 14785457 is about 245.4397599565.

The spelling of 14785457 in words is "fourteen million, seven hundred eighty-five thousand, four hundred fifty-seven".