144265736 has 8 divisors (see below), whose sum is σ = 270498270. Its totient is φ = 72132864.

The previous prime is 144265711. The next prime is 144265783. The reversal of 144265736 is 637562441.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 139381636 + 4884100 = 11806^2 + 2210^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 144265736.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9016601 + ... + 9016616.

Almost surely, 2^144265736 is an apocalyptic number.

It is an amenable number.

144265736 is a deficient number, since it is larger than the sum of its proper divisors (126232534).

144265736 is a wasteful number, since it uses less digits than its factorization.

144265736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18033223 (or 18033219 counting only the distinct ones).

The product of its digits is 120960, while the sum is 38.

The square root of 144265736 is about 12011.0672298510. The cubic root of 144265736 is about 524.4704998519.

The spelling of 144265736 in words is "one hundred forty-four million, two hundred sixty-five thousand, seven hundred thirty-six".