144865606 has 16 divisors (see below), whose sum is σ = 221267088. Its totient is φ = 71114400.

The previous prime is 144865603. The next prime is 144865621. The reversal of 144865606 is 606568441.

It is a happy number.

144865606 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144865603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123981 + ... + 125143.

It is an arithmetic number, because the mean of its divisors is an integer number (13829193).

Almost surely, 2^144865606 is an apocalyptic number.

144865606 is a deficient number, since it is larger than the sum of its proper divisors (76401482).

144865606 is a wasteful number, since it uses less digits than its factorization.

144865606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2247.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 144865606 is about 12036.0128780257. The cubic root of 144865606 is about 525.1964265742.

The spelling of 144865606 in words is "one hundred forty-four million, eight hundred sixty-five thousand, six hundred six".