144334657 has 2 divisors, whose sum is σ = 144334658. Its totient is φ = 144334656.

The previous prime is 144334643. The next prime is 144334691. The reversal of 144334657 is 756433441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97535376 + 46799281 = 9876^2 + 6841^2 .

It is a cyclic number.

It is not a de Polignac number, because 144334657 - 2¹¹ = 144332609 is a prime.

It is a super-2 number, since 2×144334657² = 41664986422615298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (144334627) 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, 72167328 + 72167329.

It is an arithmetic number, because the mean of its divisors is an integer number (72167329).

Almost surely, 2^144334657 is an apocalyptic number.

It is an amenable number.

144334657 is a deficient number, since it is larger than the sum of its proper divisors (1).

144334657 is an equidigital number, since it uses as much as digits as its factorization.

144334657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 37.

The square root of 144334657 is about 12013.9359495546. The cubic root of 144334657 is about 524.5540061129.

It can be divided in two parts, 144334 and 657, that added together give a triangular number (144991 = T₅₃₈).

The spelling of 144334657 in words is "one hundred forty-four million, three hundred thirty-four thousand, six hundred fifty-seven".