145707593 has 2 divisors, whose sum is σ = 145707594. Its totient is φ = 145707592.

The previous prime is 145707577. The next prime is 145707613. The reversal of 145707593 is 395707541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101445184 + 44262409 = 10072^2 + 6653^2 .

It is an emirp because it is prime and its reverse (395707541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145707593 - 2⁴ = 145707577 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145707593.

It is not a weakly prime, because it can be changed into another prime (145707503) 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, 72853796 + 72853797.

It is an arithmetic number, because the mean of its divisors is an integer number (72853797).

Almost surely, 2^145707593 is an apocalyptic number.

It is an amenable number.

145707593 is a deficient number, since it is larger than the sum of its proper divisors (1).

145707593 is an equidigital number, since it uses as much as digits as its factorization.

145707593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 132300, while the sum is 41.

The square root of 145707593 is about 12070.9400213902. The cubic root of 145707593 is about 526.2119760838.

The spelling of 145707593 in words is "one hundred forty-five million, seven hundred seven thousand, five hundred ninety-three".