144657 has 6 divisors (see below), whose sum is σ = 208962. Its totient is φ = 96432.

The previous prime is 144629. The next prime is 144659. The reversal of 144657 is 756441.

144657 is a `hidden beast` number, since 1 + 4 + 4 + 657 = 666.

It can be written as a sum of positive squares in only one way, i.e., 103041 + 41616 = 321^2 + 204^2 .

It is not a de Polignac number, because 144657 - 2⁶ = 144593 is a prime.

144657 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 144657.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 144657.

It is not an unprimeable number, because it can be changed into a prime (144659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8028 + ... + 8045.

It is an arithmetic number, because the mean of its divisors is an integer number (34827).

2¹⁴⁴⁶⁵⁷ is an apocalyptic number.

It is an amenable number.

144657 is a deficient number, since it is larger than the sum of its proper divisors (64305).

144657 is a wasteful number, since it uses less digits than its factorization.

144657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16079 (or 16076 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 144657 is about 380.3380075670. The cubic root of 144657 is about 52.4944211759.

The spelling of 144657 in words is "one hundred forty-four thousand, six hundred fifty-seven".