144677716 has 6 divisors (see below), whose sum is σ = 253186010. Its totient is φ = 72338856.

The previous prime is 144677711. The next prime is 144677719. The reversal of 144677716 is 617776441.

It can be written as a sum of positive squares in only one way, i.e., 142563600 + 2114116 = 11940^2 + 1454^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144677711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18084711 + ... + 18084718.

Almost surely, 2^144677716 is an apocalyptic number.

It is an amenable number.

144677716 is a deficient number, since it is larger than the sum of its proper divisors (108508294).

144677716 is a wasteful number, since it uses less digits than its factorization.

144677716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36169433 (or 36169431 counting only the distinct ones).

The product of its digits is 197568, while the sum is 43.

The square root of 144677716 is about 12028.2050198689. The cubic root of 144677716 is about 524.9692692519.

The spelling of 144677716 in words is "one hundred forty-four million, six hundred seventy-seven thousand, seven hundred sixteen".