146311271 has 2 divisors, whose sum is σ = 146311272. Its totient is φ = 146311270.

The previous prime is 146311223. The next prime is 146311273. The reversal of 146311271 is 172113641.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146311271 is a prime.

It is a Sophie Germain prime.

Together with 146311273, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146311271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146311273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73155635 + 73155636.

It is an arithmetic number, because the mean of its divisors is an integer number (73155636).

Almost surely, 2^146311271 is an apocalyptic number.

146311271 is a deficient number, since it is larger than the sum of its proper divisors (1).

146311271 is an equidigital number, since it uses as much as digits as its factorization.

146311271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 26.

The square root of 146311271 is about 12095.9196012540. The cubic root of 146311271 is about 526.9376872916.

The spelling of 146311271 in words is "one hundred forty-six million, three hundred eleven thousand, two hundred seventy-one".