146543653 has 2 divisors, whose sum is σ = 146543654. Its totient is φ = 146543652.

The previous prime is 146543651. The next prime is 146543659. The reversal of 146543653 is 356345641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142611364 + 3932289 = 11942^2 + 1983^2 .

It is an emirp because it is prime and its reverse (356345641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146543653 - 2¹ = 146543651 is a prime.

Together with 146543651, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146543651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73271826 + 73271827.

It is an arithmetic number, because the mean of its divisors is an integer number (73271827).

Almost surely, 2^146543653 is an apocalyptic number.

It is an amenable number.

146543653 is a deficient number, since it is larger than the sum of its proper divisors (1).

146543653 is an equidigital number, since it uses as much as digits as its factorization.

146543653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 37.

The square root of 146543653 is about 12105.5215914061. The cubic root of 146543653 is about 527.2165130707.

The spelling of 146543653 in words is "one hundred forty-six million, five hundred forty-three thousand, six hundred fifty-three".