144415009 has 2 divisors, whose sum is σ = 144415010. Its totient is φ = 144415008.

The previous prime is 144415001. The next prime is 144415039. The reversal of 144415009 is 900514441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118374400 + 26040609 = 10880^2 + 5103^2 .

It is a cyclic number.

It is not a de Polignac number, because 144415009 - 2³ = 144415001 is a prime.

It is equal to p_8147611 and since 144415009 and 8147611 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (144415001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72207504 + 72207505.

It is an arithmetic number, because the mean of its divisors is an integer number (72207505).

Almost surely, 2^144415009 is an apocalyptic number.

It is an amenable number.

144415009 is a deficient number, since it is larger than the sum of its proper divisors (1).

144415009 is an equidigital number, since it uses as much as digits as its factorization.

144415009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 144415009 is about 12017.2796006417. The cubic root of 144415009 is about 524.6513288795.

The spelling of 144415009 in words is "one hundred forty-four million, four hundred fifteen thousand, nine".