146471657 has 2 divisors, whose sum is σ = 146471658. Its totient is φ = 146471656.

The previous prime is 146471629. The next prime is 146471669. The reversal of 146471657 is 756174641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145057936 + 1413721 = 12044^2 + 1189^2 .

It is an emirp because it is prime and its reverse (756174641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146471657 - 2⁸ = 146471401 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (146471687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73235828 + 73235829.

It is an arithmetic number, because the mean of its divisors is an integer number (73235829).

Almost surely, 2^146471657 is an apocalyptic number.

It is an amenable number.

146471657 is a deficient number, since it is larger than the sum of its proper divisors (1).

146471657 is an equidigital number, since it uses as much as digits as its factorization.

146471657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 41.

The square root of 146471657 is about 12102.5475417368. The cubic root of 146471657 is about 527.1301595120.

The spelling of 146471657 in words is "one hundred forty-six million, four hundred seventy-one thousand, six hundred fifty-seven".