146181641 has 2 divisors, whose sum is σ = 146181642. Its totient is φ = 146181640.

The previous prime is 146181631. The next prime is 146181667.

146181641 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92833225 + 53348416 = 9635^2 + 7304^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 146181641 - 2⁶ = 146181577 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 146181598 and 146181607.

It is not a weakly prime, because it can be changed into another prime (146181631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73090820 + 73090821.

It is an arithmetic number, because the mean of its divisors is an integer number (73090821).

Almost surely, 2^146181641 is an apocalyptic number.

It is an amenable number.

146181641 is a deficient number, since it is larger than the sum of its proper divisors (1).

146181641 is an equidigital number, since it uses as much as digits as its factorization.

146181641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 32.

The square root of 146181641 is about 12090.5599953021. The cubic root of 146181641 is about 526.7820211903.

The spelling of 146181641 in words is "one hundred forty-six million, one hundred eighty-one thousand, six hundred forty-one".