144336091 has 2 divisors, whose sum is σ = 144336092. Its totient is φ = 144336090.

The previous prime is 144336067. The next prime is 144336121. The reversal of 144336091 is 190633441.

144336091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144336091 - 2⁷ = 144335963 is a prime.

It is not a weakly prime, because it can be changed into another prime (144336041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72168045 + 72168046.

It is an arithmetic number, because the mean of its divisors is an integer number (72168046).

Almost surely, 2^144336091 is an apocalyptic number.

144336091 is a deficient number, since it is larger than the sum of its proper divisors (1).

144336091 is an equidigital number, since it uses as much as digits as its factorization.

144336091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 144336091 is about 12013.9956300974. The cubic root of 144336091 is about 524.5557432978. Note that the first 3 decimals are identical.

The spelling of 144336091 in words is "one hundred forty-four million, three hundred thirty-six thousand, ninety-one".