144246023149 has 2 divisors, whose sum is σ = 144246023150. Its totient is φ = 144246023148.

The previous prime is 144246023123. The next prime is 144246023231. The reversal of 144246023149 is 941320642441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117532408900 + 26713614249 = 342830^2 + 163443^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144246023149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144246026149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72123011574 + 72123011575.

It is an arithmetic number, because the mean of its divisors is an integer number (72123011575).

Almost surely, 2^144246023149 is an apocalyptic number.

It is an amenable number.

144246023149 is a deficient number, since it is larger than the sum of its proper divisors (1).

144246023149 is an equidigital number, since it uses as much as digits as its factorization.

144246023149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 144246023149 in words is "one hundred forty-four billion, two hundred forty-six million, twenty-three thousand, one hundred forty-nine".