144715331 has 2 divisors, whose sum is σ = 144715332. Its totient is φ = 144715330.

The previous prime is 144715327. The next prime is 144715411. The reversal of 144715331 is 133517441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144715331 - 2² = 144715327 is a prime.

It is a super-2 number, since 2×144715331² = 41885054052879122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144715294 and 144715303.

It is not a weakly prime, because it can be changed into another prime (144715301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72357665 + 72357666.

It is an arithmetic number, because the mean of its divisors is an integer number (72357666).

Almost surely, 2^144715331 is an apocalyptic number.

144715331 is a deficient number, since it is larger than the sum of its proper divisors (1).

144715331 is an equidigital number, since it uses as much as digits as its factorization.

144715331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 29.

The square root of 144715331 is about 12029.7685347641. The cubic root of 144715331 is about 525.0147611874.

The spelling of 144715331 in words is "one hundred forty-four million, seven hundred fifteen thousand, three hundred thirty-one".