144619427 has 2 divisors, whose sum is σ = 144619428. Its totient is φ = 144619426.

The previous prime is 144619417. The next prime is 144619429. The reversal of 144619427 is 724916441.

It is a strong prime.

It is an emirp because it is prime and its reverse (724916441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144619427 - 2⁸ = 144619171 is a prime.

Together with 144619429, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (144619429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72309713 + 72309714.

It is an arithmetic number, because the mean of its divisors is an integer number (72309714).

Almost surely, 2^144619427 is an apocalyptic number.

144619427 is a deficient number, since it is larger than the sum of its proper divisors (1).

144619427 is an equidigital number, since it uses as much as digits as its factorization.

144619427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 38.

The square root of 144619427 is about 12025.7817625300. The cubic root of 144619427 is about 524.8987584067.

The spelling of 144619427 in words is "one hundred forty-four million, six hundred nineteen thousand, four hundred twenty-seven".