144280313 has 8 divisors (see below), whose sum is σ = 145152000. Its totient is φ = 143411968.

The previous prime is 144280291. The next prime is 144280327. The reversal of 144280313 is 313082441.

144280313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144280313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144280333) 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, 171548 + ... + 172386.

It is an arithmetic number, because the mean of its divisors is an integer number (18144000).

Almost surely, 2^144280313 is an apocalyptic number.

It is an amenable number.

144280313 is a deficient number, since it is larger than the sum of its proper divisors (871687).

144280313 is an equidigital number, since it uses as much as digits as its factorization.

144280313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 144280313 is about 12011.6740298761. The cubic root of 144280313 is about 524.4881638961.

The spelling of 144280313 in words is "one hundred forty-four million, two hundred eighty thousand, three hundred thirteen".