14143353385225 has 81 divisors (see below), whose sum is σ = 19140705234261. Its totient is φ = 10365270062400.

The previous prime is 14143353385211. The next prime is 14143353385253. The reversal of 14143353385225 is 52258335334141.

The square root of 14143353385225 is 3760765.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 4429834249 + 14138923550976 = 66557^2 + 3760176^2 .

It is not a de Polignac number, because 14143353385225 - 2⁷ = 14143353385097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 11075452287 + ... + 11075453563.

Almost surely, 2^{14143353385225} is an apocalyptic number.

14143353385225 is the 3760765-th square number.

14143353385225 is the 1880383-rd centered octagonal number.

It is an amenable number.

14143353385225 is a deficient number, since it is larger than the sum of its proper divisors (4997351849036).

14143353385225 is an frugal number, since it uses more digits than its factorization.

14143353385225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2664 (or 1332 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 49.

Multiplying 14143353385225 by its sum of digits (49), we get a square (693024315876025 = 26325355²).

The spelling of 14143353385225 in words is "fourteen trillion, one hundred forty-three billion, three hundred fifty-three million, three hundred eighty-five thousand, two hundred twenty-five".