146246141 has 2 divisors, whose sum is σ = 146246142. Its totient is φ = 146246140.

The previous prime is 146246129. The next prime is 146246171. The reversal of 146246141 is 141642641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146047225 + 198916 = 12085^2 + 446^2 .

It is a cyclic number.

It is not a de Polignac number, because 146246141 - 2⁶ = 146246077 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146246171) 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, 73123070 + 73123071.

It is an arithmetic number, because the mean of its divisors is an integer number (73123071).

Almost surely, 2^146246141 is an apocalyptic number.

It is an amenable number.

146246141 is a deficient number, since it is larger than the sum of its proper divisors (1).

146246141 is an equidigital number, since it uses as much as digits as its factorization.

146246141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4608, while the sum is 29.

The square root of 146246141 is about 12093.2270713817. The cubic root of 146246141 is about 526.8594874714.

Adding to 146246141 its reverse (141642641), we get a palindrome (287888782).

The spelling of 146246141 in words is "one hundred forty-six million, two hundred forty-six thousand, one hundred forty-one".