145053313 has 2 divisors, whose sum is σ = 145053314. Its totient is φ = 145053312.

The previous prime is 145053301. The next prime is 145053323. The reversal of 145053313 is 313350541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135769104 + 9284209 = 11652^2 + 3047^2 .

It is a cyclic number.

It is not a de Polignac number, because 145053313 - 2⁵ = 145053281 is a prime.

It is a super-2 number, since 2×145053313² = 42080927224551938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145053323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72526656 + 72526657.

It is an arithmetic number, because the mean of its divisors is an integer number (72526657).

Almost surely, 2^145053313 is an apocalyptic number.

It is an amenable number.

145053313 is a deficient number, since it is larger than the sum of its proper divisors (1).

145053313 is an equidigital number, since it uses as much as digits as its factorization.

145053313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 145053313 is about 12043.8080771822. The cubic root of 145053313 is about 525.4231666080.

The spelling of 145053313 in words is "one hundred forty-five million, fifty-three thousand, three hundred thirteen".