144389656 has 16 divisors (see below), whose sum is σ = 271293840. Its totient is φ = 72044640.

The previous prime is 144389639. The next prime is 144389677. The reversal of 144389656 is 656983441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14635 + ... + 22426.

It is an arithmetic number, because the mean of its divisors is an integer number (16955865).

Almost surely, 2^144389656 is an apocalyptic number.

It is an amenable number.

144389656 is a deficient number, since it is larger than the sum of its proper divisors (126904184).

144389656 is a wasteful number, since it uses less digits than its factorization.

144389656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37554 (or 37550 counting only the distinct ones).

The product of its digits is 622080, while the sum is 46.

The square root of 144389656 is about 12016.2246982985. The cubic root of 144389656 is about 524.6206250911.

The spelling of 144389656 in words is "one hundred forty-four million, three hundred eighty-nine thousand, six hundred fifty-six".