146646271 has 2 divisors, whose sum is σ = 146646272. Its totient is φ = 146646270.

The previous prime is 146646223. The next prime is 146646289. The reversal of 146646271 is 172646641.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 146646271 - 2¹⁵ = 146613503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146646271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146646221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73323135 + 73323136.

It is an arithmetic number, because the mean of its divisors is an integer number (73323136).

Almost surely, 2^146646271 is an apocalyptic number.

146646271 is a deficient number, since it is larger than the sum of its proper divisors (1).

146646271 is an equidigital number, since it uses as much as digits as its factorization.

146646271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 37.

The square root of 146646271 is about 12109.7593287398. The cubic root of 146646271 is about 527.3395464458.

The spelling of 146646271 in words is "one hundred forty-six million, six hundred forty-six thousand, two hundred seventy-one".