145016317 has 2 divisors, whose sum is σ = 145016318. Its totient is φ = 145016316.

The previous prime is 145016251. The next prime is 145016363. The reversal of 145016317 is 713610541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128459556 + 16556761 = 11334^2 + 4069^2 .

It is a cyclic number.

It is not a de Polignac number, because 145016317 - 2¹⁵ = 144983549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145016387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72508158 + 72508159.

It is an arithmetic number, because the mean of its divisors is an integer number (72508159).

Almost surely, 2^145016317 is an apocalyptic number.

It is an amenable number.

145016317 is a deficient number, since it is larger than the sum of its proper divisors (1).

145016317 is an equidigital number, since it uses as much as digits as its factorization.

145016317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 145016317 is about 12042.2720862801. The cubic root of 145016317 is about 525.3784928994.

Adding to 145016317 its reverse (713610541), we get a palindrome (858626858).

The spelling of 145016317 in words is "one hundred forty-five million, sixteen thousand, three hundred seventeen".