144303231513 has 16 divisors (see below), whose sum is σ = 219899728256. Its totient is φ = 82455580800.

The previous prime is 144303231503. The next prime is 144303231623. The reversal of 144303231513 is 315132303441.

It is a happy number.

It is not a de Polignac number, because 144303231513 - 2¹³ = 144303223321 is a prime.

It is a super-3 number, since 3×144303231513³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144303231503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 432045 + ... + 689397.

It is an arithmetic number, because the mean of its divisors is an integer number (13743733016).

Almost surely, 2^144303231513 is an apocalyptic number.

It is an amenable number.

144303231513 is a deficient number, since it is larger than the sum of its proper divisors (75596496743).

144303231513 is a wasteful number, since it uses less digits than its factorization.

144303231513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284064.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 144303231513 its reverse (315132303441), we get a palindrome (459435534954).

The spelling of 144303231513 in words is "one hundred forty-four billion, three hundred three million, two hundred thirty-one thousand, five hundred thirteen".