14643457 has 2 divisors, whose sum is σ = 14643458. Its totient is φ = 14643456.

The previous prime is 14643449. The next prime is 14643467. The reversal of 14643457 is 75434641.

14643457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10817521 + 3825936 = 3289^2 + 1956^2 .

It is a cyclic number.

It is not a de Polignac number, because 14643457 - 2³ = 14643449 is a prime.

It is not a weakly prime, because it can be changed into another prime (14643467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7321728 + 7321729.

It is an arithmetic number, because the mean of its divisors is an integer number (7321729).

Almost surely, 2^14643457 is an apocalyptic number.

It is an amenable number.

14643457 is a deficient number, since it is larger than the sum of its proper divisors (1).

14643457 is an equidigital number, since it uses as much as digits as its factorization.

14643457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 34.

The square root of 14643457 is about 3826.6770179883. The cubic root of 14643457 is about 244.6514939432.

The spelling of 14643457 in words is "fourteen million, six hundred forty-three thousand, four hundred fifty-seven".