146505641 has 2 divisors, whose sum is σ = 146505642. Its totient is φ = 146505640.

The previous prime is 146505631. The next prime is 146505647.

146505641 is nontrivially palindromic in base 10.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119683600 + 26822041 = 10940^2 + 5179^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 146505641 - 2²⁶ = 79396777 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 146505598 and 146505607.

It is not a weakly prime, because it can be changed into another prime (146505647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73252820 + 73252821.

It is an arithmetic number, because the mean of its divisors is an integer number (73252821).

Almost surely, 2^146505641 is an apocalyptic number.

It is an amenable number.

146505641 is a deficient number, since it is larger than the sum of its proper divisors (1).

146505641 is an equidigital number, since it uses as much as digits as its factorization.

146505641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 146505641 is about 12103.9514622292. The cubic root of 146505641 is about 527.1709241815.

The spelling of 146505641 in words is "one hundred forty-six million, five hundred five thousand, six hundred forty-one".