144577201 has 2 divisors, whose sum is σ = 144577202. Its totient is φ = 144577200.

The previous prime is 144577177. The next prime is 144577219. The reversal of 144577201 is 102775441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144576576 + 625 = 12024^2 + 25^2 .

It is an emirp because it is prime and its reverse (102775441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144577201 - 2⁷ = 144577073 is a prime.

It is not a weakly prime, because it can be changed into another prime (144577261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72288600 + 72288601.

It is an arithmetic number, because the mean of its divisors is an integer number (72288601).

Almost surely, 2^144577201 is an apocalyptic number.

It is an amenable number.

144577201 is a deficient number, since it is larger than the sum of its proper divisors (1).

144577201 is an equidigital number, since it uses as much as digits as its factorization.

144577201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 144577201 is about 12024.0259896592. The cubic root of 144577201 is about 524.8476667634.

The spelling of 144577201 in words is "one hundred forty-four million, five hundred seventy-seven thousand, two hundred one".