144664451 has 2 divisors, whose sum is σ = 144664452. Its totient is φ = 144664450.

The previous prime is 144664433. The next prime is 144664453. The reversal of 144664451 is 154466441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144664451 - 2¹⁴ = 144648067 is a prime.

Together with 144664453, 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 (144664453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72332225 + 72332226.

It is an arithmetic number, because the mean of its divisors is an integer number (72332226).

Almost surely, 2^144664451 is an apocalyptic number.

144664451 is a deficient number, since it is larger than the sum of its proper divisors (1).

144664451 is an equidigital number, since it uses as much as digits as its factorization.

144664451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46080, while the sum is 35.

The square root of 144664451 is about 12027.6535949453. The cubic root of 144664451 is about 524.9532245552.

The spelling of 144664451 in words is "one hundred forty-four million, six hundred sixty-four thousand, four hundred fifty-one".