144140201893 has 2 divisors, whose sum is σ = 144140201894. Its totient is φ = 144140201892.

The previous prime is 144140201819. The next prime is 144140201897. The reversal of 144140201893 is 398102041441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 133267343364 + 10872858529 = 365058^2 + 104273^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144140201893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144140201897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72070100946 + 72070100947.

It is an arithmetic number, because the mean of its divisors is an integer number (72070100947).

Almost surely, 2^144140201893 is an apocalyptic number.

It is an amenable number.

144140201893 is a deficient number, since it is larger than the sum of its proper divisors (1).

144140201893 is an equidigital number, since it uses as much as digits as its factorization.

144140201893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 144140201893 in words is "one hundred forty-four billion, one hundred forty million, two hundred one thousand, eight hundred ninety-three".