144123331 has 16 divisors (see below), whose sum is σ = 167568480. Its totient is φ = 122503680.

The previous prime is 144123311. The next prime is 144123347. The reversal of 144123331 is 133321441.

It is a cyclic number.

It is not a de Polignac number, because 144123331 - 2⁹ = 144122819 is a prime.

It is a super-2 number, since 2×144123331² = 41543069077071122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144123311) 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 15 ways as a sum of consecutive naturals, for example, 26905 + ... + 31813.

It is an arithmetic number, because the mean of its divisors is an integer number (10473030).

Almost surely, 2^144123331 is an apocalyptic number.

144123331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

144123331 is a deficient number, since it is larger than the sum of its proper divisors (23445149).

144123331 is a wasteful number, since it uses less digits than its factorization.

144123331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5094.

The product of its digits is 864, while the sum is 22.

The square root of 144123331 is about 12005.1376918384. The cubic root of 144123331 is about 524.2978744092.

Adding to 144123331 its reverse (133321441), we get a palindrome (277444772).

The spelling of 144123331 in words is "one hundred forty-four million, one hundred twenty-three thousand, three hundred thirty-one".