146430161 has 2 divisors, whose sum is σ = 146430162. Its totient is φ = 146430160.

The previous prime is 146430139. The next prime is 146430191. The reversal of 146430161 is 161034641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129049600 + 17380561 = 11360^2 + 4169^2 .

It is a cyclic number.

It is not a de Polignac number, because 146430161 - 2¹⁰ = 146429137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146430161.

It is not a weakly prime, because it can be changed into another prime (146430191) 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, 73215080 + 73215081.

It is an arithmetic number, because the mean of its divisors is an integer number (73215081).

Almost surely, 2^146430161 is an apocalyptic number.

It is an amenable number.

146430161 is a deficient number, since it is larger than the sum of its proper divisors (1).

146430161 is an equidigital number, since it uses as much as digits as its factorization.

146430161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 146430161 is about 12100.8330704956. The cubic root of 146430161 is about 527.0803754570.

The spelling of 146430161 in words is "one hundred forty-six million, four hundred thirty thousand, one hundred sixty-one".