146193653 has 2 divisors, whose sum is σ = 146193654. Its totient is φ = 146193652.

The previous prime is 146193631. The next prime is 146193661. The reversal of 146193653 is 356391641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99640324 + 46553329 = 9982^2 + 6823^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146193653 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146193683) 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, 73096826 + 73096827.

It is an arithmetic number, because the mean of its divisors is an integer number (73096827).

Almost surely, 2^146193653 is an apocalyptic number.

It is an amenable number.

146193653 is a deficient number, since it is larger than the sum of its proper divisors (1).

146193653 is an equidigital number, since it uses as much as digits as its factorization.

146193653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 38.

The square root of 146193653 is about 12091.0567362824. The cubic root of 146193653 is about 526.7964496605.

The spelling of 146193653 in words is "one hundred forty-six million, one hundred ninety-three thousand, six hundred fifty-three".