146185393 has 2 divisors, whose sum is σ = 146185394. Its totient is φ = 146185392.

The previous prime is 146185387. The next prime is 146185427. The reversal of 146185393 is 393581641.

146185393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114746944 + 31438449 = 10712^2 + 5607^2 .

It is an emirp because it is prime and its reverse (393581641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146185393 - 2⁹ = 146184881 is a prime.

It is not a weakly prime, because it can be changed into another prime (146185343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73092696 + 73092697.

It is an arithmetic number, because the mean of its divisors is an integer number (73092697).

Almost surely, 2^146185393 is an apocalyptic number.

It is an amenable number.

146185393 is a deficient number, since it is larger than the sum of its proper divisors (1).

146185393 is an equidigital number, since it uses as much as digits as its factorization.

146185393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 40.

The square root of 146185393 is about 12090.7151566812. The cubic root of 146185393 is about 526.7865280701.

The spelling of 146185393 in words is "one hundred forty-six million, one hundred eighty-five thousand, three hundred ninety-three".