144201493 has 2 divisors, whose sum is σ = 144201494. Its totient is φ = 144201492.

The previous prime is 144201457. The next prime is 144201503. The reversal of 144201493 is 394102441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130827844 + 13373649 = 11438^2 + 3657^2 .

It is a cyclic number.

It is not a de Polignac number, because 144201493 - 2⁹ = 144200981 is a prime.

It is equal to p_8136172 and since 144201493 and 8136172 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144201413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72100746 + 72100747.

It is an arithmetic number, because the mean of its divisors is an integer number (72100747).

Almost surely, 2^144201493 is an apocalyptic number.

It is an amenable number.

144201493 is a deficient number, since it is larger than the sum of its proper divisors (1).

144201493 is an equidigital number, since it uses as much as digits as its factorization.

144201493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 144201493 is about 12008.3926068396. The cubic root of 144201493 is about 524.3926376100.

The spelling of 144201493 in words is "one hundred forty-four million, two hundred one thousand, four hundred ninety-three".