144065417 has 4 divisors (see below), whose sum is σ = 149033220. Its totient is φ = 139097616.

The previous prime is 144065393. The next prime is 144065419. The reversal of 144065417 is 714560441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29767936 + 114297481 = 5456^2 + 10691^2 .

It is a cyclic number.

It is not a de Polignac number, because 144065417 - 2¹⁶ = 143999881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144065419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2483858 + ... + 2483915.

It is an arithmetic number, because the mean of its divisors is an integer number (37258305).

Almost surely, 2^144065417 is an apocalyptic number.

It is an amenable number.

144065417 is a deficient number, since it is larger than the sum of its proper divisors (4967803).

144065417 is an equidigital number, since it uses as much as digits as its factorization.

144065417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4967802.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 144065417 is about 12002.7253988417. The cubic root of 144065417 is about 524.2276376776.

The spelling of 144065417 in words is "one hundred forty-four million, sixty-five thousand, four hundred seventeen".