146447471 has 2 divisors, whose sum is σ = 146447472. Its totient is φ = 146447470.

The previous prime is 146447447. The next prime is 146447549. The reversal of 146447471 is 174744641.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 146447471 - 2²⁶ = 79338607 is a prime.

It is a super-3 number, since 3×146447471³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is equal to p_8255585 and since 146447471 and 8255585 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146447771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73223735 + 73223736.

It is an arithmetic number, because the mean of its divisors is an integer number (73223736).

Almost surely, 2^146447471 is an apocalyptic number.

146447471 is a deficient number, since it is larger than the sum of its proper divisors (1).

146447471 is an equidigital number, since it uses as much as digits as its factorization.

146447471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75264, while the sum is 38.

The square root of 146447471 is about 12101.5482893719. The cubic root of 146447471 is about 527.1011439511.

The spelling of 146447471 in words is "one hundred forty-six million, four hundred forty-seven thousand, four hundred seventy-one".