144302216 has 8 divisors (see below), whose sum is σ = 270566670. Its totient is φ = 72151104.

The previous prime is 144302203. The next prime is 144302227. The reversal of 144302216 is 612203441.

It can be written as a sum of positive squares in only one way, i.e., 93122500 + 51179716 = 9650^2 + 7154^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 144302191 and 144302200.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9018881 + ... + 9018896.

Almost surely, 2^144302216 is an apocalyptic number.

It is an amenable number.

144302216 is a deficient number, since it is larger than the sum of its proper divisors (126264454).

144302216 is a wasteful number, since it uses less digits than its factorization.

144302216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18037783 (or 18037779 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 144302216 is about 12012.5857333049. The cubic root of 144302216 is about 524.5147031671.

Adding to 144302216 its reverse (612203441), we get a palindrome (756505657).

The spelling of 144302216 in words is "one hundred forty-four million, three hundred two thousand, two hundred sixteen".