146312717 has 2 divisors, whose sum is σ = 146312718. Its totient is φ = 146312716.

The previous prime is 146312681. The next prime is 146312731. The reversal of 146312717 is 717213641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92525161 + 53787556 = 9619^2 + 7334^2 .

It is a cyclic number.

It is not a de Polignac number, because 146312717 - 2⁸ = 146312461 is a prime.

It is a super-2 number, since 2×146312717² = 42814822311844178, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146312767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73156358 + 73156359.

It is an arithmetic number, because the mean of its divisors is an integer number (73156359).

Almost surely, 2^146312717 is an apocalyptic number.

It is an amenable number.

146312717 is a deficient number, since it is larger than the sum of its proper divisors (1).

146312717 is an equidigital number, since it uses as much as digits as its factorization.

146312717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7056, while the sum is 32.

The square root of 146312717 is about 12095.9793733290. The cubic root of 146312717 is about 526.9394232011.

The spelling of 146312717 in words is "one hundred forty-six million, three hundred twelve thousand, seven hundred seventeen".