144131693 has 2 divisors, whose sum is σ = 144131694. Its totient is φ = 144131692.

The previous prime is 144131677. The next prime is 144131759. The reversal of 144131693 is 396131441.

144131693 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 can be written as a sum of positive squares in only one way, i.e., 104919049 + 39212644 = 10243^2 + 6262^2 .

It is a cyclic number.

It is not a de Polignac number, because 144131693 - 2⁴ = 144131677 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144131623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72065846 + 72065847.

It is an arithmetic number, because the mean of its divisors is an integer number (72065847).

Almost surely, 2^144131693 is an apocalyptic number.

It is an amenable number.

144131693 is a deficient number, since it is larger than the sum of its proper divisors (1).

144131693 is an equidigital number, since it uses as much as digits as its factorization.

144131693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 32.

The square root of 144131693 is about 12005.4859543460. The cubic root of 144131693 is about 524.3080140907.

The spelling of 144131693 in words is "one hundred forty-four million, one hundred thirty-one thousand, six hundred ninety-three".