14145181 has 2 divisors, whose sum is σ = 14145182. Its totient is φ = 14145180.

The previous prime is 14145091. The next prime is 14145193. The reversal of 14145181 is 18154141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13388281 + 756900 = 3659^2 + 870^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14145181 is a prime.

It is a super-2 number, since 2×14145181² = 400172291045522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14155181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7072590 + 7072591.

It is an arithmetic number, because the mean of its divisors is an integer number (7072591).

Almost surely, 2^14145181 is an apocalyptic number.

It is an amenable number.

14145181 is a deficient number, since it is larger than the sum of its proper divisors (1).

14145181 is an equidigital number, since it uses as much as digits as its factorization.

14145181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 640, while the sum is 25.

The square root of 14145181 is about 3761.0079765935. The cubic root of 14145181 is about 241.8444746669.

The spelling of 14145181 in words is "fourteen million, one hundred forty-five thousand, one hundred eighty-one".