144206497 has 2 divisors, whose sum is σ = 144206498. Its totient is φ = 144206496.

The previous prime is 144206483. The next prime is 144206519. The reversal of 144206497 is 794602441.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92236816 + 51969681 = 9604^2 + 7209^2 .

It is a cyclic number.

It is not a de Polignac number, because 144206497 - 2⁷ = 144206369 is a prime.

It is a super-2 number, since 2×144206497² = 41591027554022018, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (144206407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72103248 + 72103249.

It is an arithmetic number, because the mean of its divisors is an integer number (72103249).

Almost surely, 2^144206497 is an apocalyptic number.

It is an amenable number.

144206497 is a deficient number, since it is larger than the sum of its proper divisors (1).

144206497 is an equidigital number, since it uses as much as digits as its factorization.

144206497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 144206497 is about 12008.6009593125. The cubic root of 144206497 is about 524.3987032670.

The spelling of 144206497 in words is "one hundred forty-four million, two hundred six thousand, four hundred ninety-seven".