144536653 has 4 divisors (see below), whose sum is σ = 144560700. Its totient is φ = 144512608.

The previous prime is 144536641. The next prime is 144536681. The reversal of 144536653 is 356635441.

144536653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 143089444 + 1447209 = 11962^2 + 1203^2 .

It is a cyclic number.

It is not a de Polignac number, because 144536653 - 2²¹ = 142439501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144536683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5823 + ... + 17971.

It is an arithmetic number, because the mean of its divisors is an integer number (36140175).

Almost surely, 2^144536653 is an apocalyptic number.

It is an amenable number.

144536653 is a deficient number, since it is larger than the sum of its proper divisors (24047).

144536653 is a wasteful number, since it uses less digits than its factorization.

144536653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24046.

The product of its digits is 129600, while the sum is 37.

The square root of 144536653 is about 12022.3397473204. The cubic root of 144536653 is about 524.7985960642.

The spelling of 144536653 in words is "one hundred forty-four million, five hundred thirty-six thousand, six hundred fifty-three".