144353513 has 4 divisors (see below), whose sum is σ = 144497028. Its totient is φ = 144210000.

The previous prime is 144353491. The next prime is 144353527. The reversal of 144353513 is 315353441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15031129 + 129322384 = 3877^2 + 11372^2 .

It is a cyclic number.

It is not a de Polignac number, because 144353513 - 2⁸ = 144353257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144353113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70238 + ... + 72263.

It is an arithmetic number, because the mean of its divisors is an integer number (36124257).

Almost surely, 2^144353513 is an apocalyptic number.

It is an amenable number.

144353513 is a deficient number, since it is larger than the sum of its proper divisors (143515).

144353513 is a wasteful number, since it uses less digits than its factorization.

144353513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143514.

The product of its digits is 10800, while the sum is 29.

The square root of 144353513 is about 12014.7206792335. The cubic root of 144353513 is about 524.5768478426.

The spelling of 144353513 in words is "one hundred forty-four million, three hundred fifty-three thousand, five hundred thirteen".