146345873 has 2 divisors, whose sum is σ = 146345874. Its totient is φ = 146345872.

The previous prime is 146345831. The next prime is 146345891. The reversal of 146345873 is 378543641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146337409 + 8464 = 12097^2 + 92^2 .

It is a cyclic number.

It is not a de Polignac number, because 146345873 - 2¹² = 146341777 is a prime.

It is a super-2 number, since 2×146345873² = 42834229088264258, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 146345873.

It is not a weakly prime, because it can be changed into another prime (146345473) 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, 73172936 + 73172937.

It is an arithmetic number, because the mean of its divisors is an integer number (73172937).

Almost surely, 2^146345873 is an apocalyptic number.

It is an amenable number.

146345873 is a deficient number, since it is larger than the sum of its proper divisors (1).

146345873 is an equidigital number, since it uses as much as digits as its factorization.

146345873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 41.

The square root of 146345873 is about 12097.3498337446. The cubic root of 146345873 is about 526.9792235327.

The spelling of 146345873 in words is "one hundred forty-six million, three hundred forty-five thousand, eight hundred seventy-three".