14453125 has 18 divisors (see below), whose sum is σ = 18554678. Its totient is φ = 11250000.

The previous prime is 14453119. The next prime is 14453143. The reversal of 14453125 is 52135441.

It is a happy number.

It can be written as a sum of positive squares in 9 ways, for example, as 7986276 + 6466849 = 2826^2 + 2543^2 .

It is a de Polignac number, because none of the positive numbers 2^k-14453125 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14453125.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 390607 + ... + 390643.

Almost surely, 2^14453125 is an apocalyptic number.

It is an amenable number.

14453125 is a deficient number, since it is larger than the sum of its proper divisors (4101553).

14453125 is an frugal number, since it uses more digits than its factorization.

14453125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77 (or 42 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 14453125 is about 3801.7265814364. The cubic root of 14453125 is about 243.5868950468.

Adding to 14453125 its reverse (52135441), we get a palindrome (66588566).

It can be divided in two parts, 1445 and 3125, that multiplied together give a square (4515625 = 2125²).

The spelling of 14453125 in words is "fourteen million, four hundred fifty-three thousand, one hundred twenty-five".