145301650609 has 2 divisors, whose sum is σ = 145301650610. Its totient is φ = 145301650608.

The previous prime is 145301650603. The next prime is 145301650639. The reversal of 145301650609 is 906056103541.

It is a happy number.

145301650609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111337003584 + 33964647025 = 333672^2 + 184295^2 .

It is a cyclic number.

It is not a de Polignac number, because 145301650609 - 2¹³ = 145301642417 is a prime.

It is a super-2 number, since 2×145301650609² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145301650603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72650825304 + 72650825305.

It is an arithmetic number, because the mean of its divisors is an integer number (72650825305).

Almost surely, 2^145301650609 is an apocalyptic number.

It is an amenable number.

145301650609 is a deficient number, since it is larger than the sum of its proper divisors (1).

145301650609 is an equidigital number, since it uses as much as digits as its factorization.

145301650609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 40.

The spelling of 145301650609 in words is "one hundred forty-five billion, three hundred one million, six hundred fifty thousand, six hundred nine".