144355013 has 4 divisors (see below), whose sum is σ = 157478208. Its totient is φ = 131231820.

The previous prime is 144355009. The next prime is 144355037. The reversal of 144355013 is 310553441.

144355013 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 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 144355013 - 2² = 144355009 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 (144355073) 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, 6561581 + ... + 6561602.

It is an arithmetic number, because the mean of its divisors is an integer number (39369552).

Almost surely, 2^144355013 is an apocalyptic number.

It is an amenable number.

144355013 is a deficient number, since it is larger than the sum of its proper divisors (13123195).

144355013 is a wasteful number, since it uses less digits than its factorization.

144355013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13123194.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 144355013 is about 12014.7831024950. The cubic root of 144355013 is about 524.5786648230.

The spelling of 144355013 in words is "one hundred forty-four million, three hundred fifty-five thousand, thirteen".