144031091 has 2 divisors, whose sum is σ = 144031092. Its totient is φ = 144031090.

The previous prime is 144031087. The next prime is 144031127. The reversal of 144031091 is 190130441.

It is a weak prime.

It is an emirp because it is prime and its reverse (190130441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144031091 - 2² = 144031087 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (144031031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72015545 + 72015546.

It is an arithmetic number, because the mean of its divisors is an integer number (72015546).

Almost surely, 2^144031091 is an apocalyptic number.

144031091 is a deficient number, since it is larger than the sum of its proper divisors (1).

144031091 is an equidigital number, since it uses as much as digits as its factorization.

144031091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 144031091 is about 12001.2953884154. The cubic root of 144031091 is about 524.1859990303.

The spelling of 144031091 in words is "one hundred forty-four million, thirty-one thousand, ninety-one".