144303313 has 32 divisors (see below), whose sum is σ = 188762112. Its totient is φ = 107049600.

The previous prime is 144303307. The next prime is 144303319. The reversal of 144303313 is 313303441.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (144303307) and next prime (144303319).

It is not a de Polignac number, because 144303313 - 2¹³ = 144295121 is a prime.

It is a super-2 number, since 2×144303313² = 41646892285551938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144303319) 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 31 ways as a sum of consecutive naturals, for example, 135220 + ... + 136282.

It is an arithmetic number, because the mean of its divisors is an integer number (5898816).

Almost surely, 2^144303313 is an apocalyptic number.

It is an amenable number.

144303313 is a deficient number, since it is larger than the sum of its proper divisors (44458799).

144303313 is a wasteful number, since it uses less digits than its factorization.

144303313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 144303313 is about 12012.6313936623. The cubic root of 144303313 is about 524.5160323016.

Adding to 144303313 its reverse (313303441), we get a palindrome (457606754).

The spelling of 144303313 in words is "one hundred forty-four million, three hundred three thousand, three hundred thirteen".