145040573 has 2 divisors, whose sum is σ = 145040574. Its totient is φ = 145040572.

The previous prime is 145040563. The next prime is 145040579. The reversal of 145040573 is 375040541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145033849 + 6724 = 12043^2 + 82^2 .

It is an emirp because it is prime and its reverse (375040541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145040573 - 2⁴ = 145040557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145040579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72520286 + 72520287.

It is an arithmetic number, because the mean of its divisors is an integer number (72520287).

Almost surely, 2^145040573 is an apocalyptic number.

It is an amenable number.

145040573 is a deficient number, since it is larger than the sum of its proper divisors (1).

145040573 is an equidigital number, since it uses as much as digits as its factorization.

145040573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 145040573 is about 12043.2791630851. The cubic root of 145040573 is about 525.4077835580.

The spelling of 145040573 in words is "one hundred forty-five million, forty thousand, five hundred seventy-three".