144292417 has 2 divisors, whose sum is σ = 144292418. Its totient is φ = 144292416.

The previous prime is 144292399. The next prime is 144292427. The reversal of 144292417 is 714292441.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137733696 + 6558721 = 11736^2 + 2561^2 .

It is a cyclic number.

It is not a de Polignac number, because 144292417 - 2¹¹ = 144290369 is a prime.

It is not a weakly prime, because it can be changed into another prime (144292427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72146208 + 72146209.

It is an arithmetic number, because the mean of its divisors is an integer number (72146209).

Almost surely, 2^144292417 is an apocalyptic number.

It is an amenable number.

144292417 is a deficient number, since it is larger than the sum of its proper divisors (1).

144292417 is an equidigital number, since it uses as much as digits as its factorization.

144292417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 34.

The square root of 144292417 is about 12012.1778624861. The cubic root of 144292417 is about 524.5028303166.

The spelling of 144292417 in words is "one hundred forty-four million, two hundred ninety-two thousand, four hundred seventeen".