145768313 has 2 divisors, whose sum is σ = 145768314. Its totient is φ = 145768312.

The previous prime is 145768283. The next prime is 145768321. The reversal of 145768313 is 313867541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130690624 + 15077689 = 11432^2 + 3883^2 .

It is a cyclic number.

It is not a de Polignac number, because 145768313 - 2¹⁴ = 145751929 is a prime.

It is not a weakly prime, because it can be changed into another prime (145768373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72884156 + 72884157.

It is an arithmetic number, because the mean of its divisors is an integer number (72884157).

Almost surely, 2^145768313 is an apocalyptic number.

It is an amenable number.

145768313 is a deficient number, since it is larger than the sum of its proper divisors (1).

145768313 is an equidigital number, since it uses as much as digits as its factorization.

145768313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 38.

The square root of 145768313 is about 12073.4548907924. The cubic root of 145768313 is about 526.2850611651.

The spelling of 145768313 in words is "one hundred forty-five million, seven hundred sixty-eight thousand, three hundred thirteen".