144321377 has 2 divisors, whose sum is σ = 144321378. Its totient is φ = 144321376.

The previous prime is 144321329. The next prime is 144321383. The reversal of 144321377 is 773123441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130896481 + 13424896 = 11441^2 + 3664^2 .

It is a cyclic number.

It is not a de Polignac number, because 144321377 - 2¹⁸ = 144059233 is a prime.

It is a super-2 number, since 2×144321377² = 41657319718352258, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (141321377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72160688 + 72160689.

It is an arithmetic number, because the mean of its divisors is an integer number (72160689).

Almost surely, 2^144321377 is an apocalyptic number.

It is an amenable number.

144321377 is a deficient number, since it is larger than the sum of its proper divisors (1).

144321377 is an equidigital number, since it uses as much as digits as its factorization.

144321377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 32.

The square root of 144321377 is about 12013.3832453643. The cubic root of 144321377 is about 524.5379178289.

The spelling of 144321377 in words is "one hundred forty-four million, three hundred twenty-one thousand, three hundred seventy-seven".