144004451 has 2 divisors, whose sum is σ = 144004452. Its totient is φ = 144004450.

The previous prime is 144004429. The next prime is 144004457. The reversal of 144004451 is 154400441.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144004451 - 2¹⁴ = 143988067 is a prime.

It is a super-2 number, since 2×144004451² = 41474563815622802, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (144004457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72002225 + 72002226.

It is an arithmetic number, because the mean of its divisors is an integer number (72002226).

Almost surely, 2^144004451 is an apocalyptic number.

144004451 is a deficient number, since it is larger than the sum of its proper divisors (1).

144004451 is an equidigital number, since it uses as much as digits as its factorization.

144004451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 144004451 is about 12000.1854569002. The cubic root of 144004451 is about 524.1536792120.

Adding to 144004451 its reverse (154400441), we get a palindrome (298404892).

The spelling of 144004451 in words is "one hundred forty-four million, four thousand, four hundred fifty-one".