146445161 has 2 divisors, whose sum is σ = 146445162. Its totient is φ = 146445160.

The previous prime is 146445133. The next prime is 146445203. The reversal of 146445161 is 161544641.

146445161 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., 98406400 + 48038761 = 9920^2 + 6931^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146445161 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (146445121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73222580 + 73222581.

It is an arithmetic number, because the mean of its divisors is an integer number (73222581).

Almost surely, 2^146445161 is an apocalyptic number.

It is an amenable number.

146445161 is a deficient number, since it is larger than the sum of its proper divisors (1).

146445161 is an equidigital number, since it uses as much as digits as its factorization.

146445161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 32.

The square root of 146445161 is about 12101.4528466627. The cubic root of 146445161 is about 527.0983725136.

The spelling of 146445161 in words is "one hundred forty-six million, four hundred forty-five thousand, one hundred sixty-one".