144838331 has 6 divisors (see below), whose sum is σ = 159202596. Its totient is φ = 131671100.

The previous prime is 144838327. The next prime is 144838361. The reversal of 144838331 is 133838441.

It is not a de Polignac number, because 144838331 - 2² = 144838327 is a prime.

It is a super-2 number, since 2×144838331² = 41956284253731122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144838291 and 144838300.

It is not an unprimeable number, because it can be changed into a prime (144838301) 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 5 ways as a sum of consecutive naturals, for example, 598385 + ... + 598626.

It is an arithmetic number, because the mean of its divisors is an integer number (26533766).

Almost surely, 2^144838331 is an apocalyptic number.

144838331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

144838331 is a deficient number, since it is larger than the sum of its proper divisors (14364265).

144838331 is a wasteful number, since it uses less digits than its factorization.

144838331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1197033 (or 1197022 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 144838331 is about 12034.8797667447. The cubic root of 144838331 is about 525.1634635357.

The spelling of 144838331 in words is "one hundred forty-four million, eight hundred thirty-eight thousand, three hundred thirty-one".