144133931 has 2 divisors, whose sum is σ = 144133932. Its totient is φ = 144133930.

The previous prime is 144133919. The next prime is 144133933. The reversal of 144133931 is 139331441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144133931 - 2²² = 139939627 is a prime.

It is a super-2 number, since 2×144133931² = 41549180131025522, which contains 22 as substring.

Together with 144133933, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 144133894 and 144133903.

It is not a weakly prime, because it can be changed into another prime (144133933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72066965 + 72066966.

It is an arithmetic number, because the mean of its divisors is an integer number (72066966).

Almost surely, 2^144133931 is an apocalyptic number.

144133931 is a deficient number, since it is larger than the sum of its proper divisors (1).

144133931 is an equidigital number, since it uses as much as digits as its factorization.

144133931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 29.

The square root of 144133931 is about 12005.5791613733. The cubic root of 144133931 is about 524.3107278017.

The spelling of 144133931 in words is "one hundred forty-four million, one hundred thirty-three thousand, nine hundred thirty-one".