144429451 has 2 divisors, whose sum is σ = 144429452. Its totient is φ = 144429450.

The previous prime is 144429437. The next prime is 144429457. The reversal of 144429451 is 154924441.

It is a happy number.

144429451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144429451 - 2⁵ = 144429419 is a prime.

It is a super-2 number, since 2×144429451² = 41719732632322802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (144429457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72214725 + 72214726.

It is an arithmetic number, because the mean of its divisors is an integer number (72214726).

Almost surely, 2^144429451 is an apocalyptic number.

144429451 is a deficient number, since it is larger than the sum of its proper divisors (1).

144429451 is an equidigital number, since it uses as much as digits as its factorization.

144429451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 34.

The square root of 144429451 is about 12017.8804703658. The cubic root of 144429451 is about 524.6688172785.

The spelling of 144429451 in words is "one hundred forty-four million, four hundred twenty-nine thousand, four hundred fifty-one".