144314331 has 24 divisors (see below), whose sum is σ = 227261952. Its totient is φ = 79794000.

The previous prime is 144314327. The next prime is 144314347. The reversal of 144314331 is 133413441.

It is not a de Polignac number, because 144314331 - 2² = 144314327 is a prime.

It is a super-2 number, since 2×144314331² = 41653252263955122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144314311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16606 + ... + 23756.

It is an arithmetic number, because the mean of its divisors is an integer number (9469248).

Almost surely, 2^144314331 is an apocalyptic number.

144314331 is a deficient number, since it is larger than the sum of its proper divisors (82947621).

144314331 is an equidigital number, since it uses as much as digits as its factorization.

144314331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7223 (or 7192 counting only the distinct ones).

The product of its digits is 1728, while the sum is 24.

The square root of 144314331 is about 12013.0899855116. The cubic root of 144314331 is about 524.5293814305.

Adding to 144314331 its reverse (133413441), we get a palindrome (277727772).

The spelling of 144314331 in words is "one hundred forty-four million, three hundred fourteen thousand, three hundred thirty-one".