14202457 has 2 divisors, whose sum is σ = 14202458. Its totient is φ = 14202456.

The previous prime is 14202451. The next prime is 14202467. The reversal of 14202457 is 75420241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14055001 + 147456 = 3749^2 + 384^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14202457 is a prime.

It is not a weakly prime, because it can be changed into another prime (14202451) 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, 7101228 + 7101229.

It is an arithmetic number, because the mean of its divisors is an integer number (7101229).

Almost surely, 2^14202457 is an apocalyptic number.

It is an amenable number.

14202457 is a deficient number, since it is larger than the sum of its proper divisors (1).

14202457 is an equidigital number, since it uses as much as digits as its factorization.

14202457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 14202457 is about 3768.6147322325. The cubic root of 14202457 is about 242.1704568263.

Adding to 14202457 its reverse (75420241), we get a palindrome (89622698).

The spelling of 14202457 in words is "fourteen million, two hundred two thousand, four hundred fifty-seven".