80144293 has 2 divisors, whose sum is σ = 80144294. Its totient is φ = 80144292.

The previous prime is 80144263. The next prime is 80144297. The reversal of 80144293 is 39244108.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49308484 + 30835809 = 7022^2 + 5553^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80144293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80144297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40072146 + 40072147.

It is an arithmetic number, because the mean of its divisors is an integer number (40072147).

Almost surely, 2^80144293 is an apocalyptic number.

It is an amenable number.

80144293 is a deficient number, since it is larger than the sum of its proper divisors (1).

80144293 is an equidigital number, since it uses as much as digits as its factorization.

80144293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 80144293 is about 8952.3345000061. The cubic root of 80144293 is about 431.1458406150.

The spelling of 80144293 in words is "eighty million, one hundred forty-four thousand, two hundred ninety-three".