146384657 has 2 divisors, whose sum is σ = 146384658. Its totient is φ = 146384656.

The previous prime is 146384639. The next prime is 146384659. The reversal of 146384657 is 756483641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145540096 + 844561 = 12064^2 + 919^2 .

It is an emirp because it is prime and its reverse (756483641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146384657 - 2¹⁸ = 146122513 is a prime.

Together with 146384659, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (146384659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73192328 + 73192329.

It is an arithmetic number, because the mean of its divisors is an integer number (73192329).

Almost surely, 2^146384657 is an apocalyptic number.

It is an amenable number.

146384657 is a deficient number, since it is larger than the sum of its proper divisors (1).

146384657 is an equidigital number, since it uses as much as digits as its factorization.

146384657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 483840, while the sum is 44.

The square root of 146384657 is about 12098.9527232732. The cubic root of 146384657 is about 527.0257720654.

The spelling of 146384657 in words is "one hundred forty-six million, three hundred eighty-four thousand, six hundred fifty-seven".