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14144381 is a prime number
BaseRepresentation
bin110101111101…
…001101111101
3222121121102222
4311331031331
512110110011
61223055125
7231140156
oct65751575
928547388
1014144381
117a90979
1248a14a5
132c13074
141c4292d
151395ddb
hexd7d37d

14144381 has 2 divisors, whose sum is σ = 14144382. Its totient is φ = 14144380.

The previous prime is 14144369. The next prime is 14144393. The reversal of 14144381 is 18344141.

It is a balanced prime because it is at equal distance from previous prime (14144369) and next prime (14144393).

It can be written as a sum of positive squares in only one way, i.e., 12716356 + 1428025 = 3566^2 + 1195^2 .

It is an emirp because it is prime and its reverse (18344141) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14144381 is a prime.

It is a super-2 number, since 2×141443812 = 400127027746322, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14144381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14144281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7072190 + 7072191.

It is an arithmetic number, because the mean of its divisors is an integer number (7072191).

Almost surely, 214144381 is an apocalyptic number.

It is an amenable number.

14144381 is a deficient number, since it is larger than the sum of its proper divisors (1).

14144381 is an equidigital number, since it uses as much as digits as its factorization.

14144381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1536, while the sum is 26.

The square root of 14144381 is about 3760.9016206224. The cubic root of 14144381 is about 241.8399152996.

The spelling of 14144381 in words is "fourteen million, one hundred forty-four thousand, three hundred eighty-one".