145101317 has 2 divisors, whose sum is σ = 145101318. Its totient is φ = 145101316.

The previous prime is 145101293. The next prime is 145101329. The reversal of 145101317 is 713101541.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92813956 + 52287361 = 9634^2 + 7231^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145101317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145101292 and 145101301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145101377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72550658 + 72550659.

It is an arithmetic number, because the mean of its divisors is an integer number (72550659).

Almost surely, 2^145101317 is an apocalyptic number.

It is an amenable number.

145101317 is a deficient number, since it is larger than the sum of its proper divisors (1).

145101317 is an equidigital number, since it uses as much as digits as its factorization.

145101317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 145101317 is about 12045.8008035996. The cubic root of 145101317 is about 525.4811214645.

Adding to 145101317 its reverse (713101541), we get a palindrome (858202858).

The spelling of 145101317 in words is "one hundred forty-five million, one hundred one thousand, three hundred seventeen".