146506313 has 2 divisors, whose sum is σ = 146506314. Its totient is φ = 146506312.

The previous prime is 146506303. The next prime is 146506331. The reversal of 146506313 is 313605641.

It is a happy number.

Together with next prime (146506331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75811849 + 70694464 = 8707^2 + 8408^2 .

It is a cyclic number.

It is not a de Polignac number, because 146506313 - 2¹⁸ = 146244169 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (146506303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73253156 + 73253157.

It is an arithmetic number, because the mean of its divisors is an integer number (73253157).

Almost surely, 2^146506313 is an apocalyptic number.

It is an amenable number.

146506313 is a deficient number, since it is larger than the sum of its proper divisors (1).

146506313 is an equidigital number, since it uses as much as digits as its factorization.

146506313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 146506313 is about 12103.9792217270. The cubic root of 146506313 is about 527.1717301989.

The spelling of 146506313 in words is "one hundred forty-six million, five hundred six thousand, three hundred thirteen".