144022513 has 4 divisors (see below), whose sum is σ = 145757808. Its totient is φ = 142287220.

The previous prime is 144022499. The next prime is 144022547. The reversal of 144022513 is 315220441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 144022513 - 2²⁵ = 110468081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144022013) 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, 867523 + ... + 867688.

It is an arithmetic number, because the mean of its divisors is an integer number (36439452).

Almost surely, 2^144022513 is an apocalyptic number.

It is an amenable number.

144022513 is a deficient number, since it is larger than the sum of its proper divisors (1735295).

144022513 is an equidigital number, since it uses as much as digits as its factorization.

144022513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735294.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 144022513 is about 12000.9380050061. The cubic root of 144022513 is about 524.1755925809.

Adding to 144022513 its reverse (315220441), we get a palindrome (459242954).

The spelling of 144022513 in words is "one hundred forty-four million, twenty-two thousand, five hundred thirteen".