144099331 has 2 divisors, whose sum is σ = 144099332. Its totient is φ = 144099330.

The previous prime is 144099323. The next prime is 144099337. The reversal of 144099331 is 133990441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144099331 - 2³ = 144099323 is a prime.

It is a super-2 number, since 2×144099331² = 41529234389295122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (144099337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72049665 + 72049666.

It is an arithmetic number, because the mean of its divisors is an integer number (72049666).

Almost surely, 2^144099331 is an apocalyptic number.

144099331 is a deficient number, since it is larger than the sum of its proper divisors (1).

144099331 is an equidigital number, since it uses as much as digits as its factorization.

144099331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 144099331 is about 12004.1380781795. The cubic root of 144099331 is about 524.2687700594.

The spelling of 144099331 in words is "one hundred forty-four million, ninety-nine thousand, three hundred thirty-one".