150345817 has 2 divisors, whose sum is σ = 150345818. Its totient is φ = 150345816.

The previous prime is 150345799. The next prime is 150345851. The reversal of 150345817 is 718543051.

It is a happy number.

It is an a-pointer prime, because the next prime (150345851) can be obtained adding 150345817 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126765081 + 23580736 = 11259^2 + 4856^2 .

It is a cyclic number.

It is not a de Polignac number, because 150345817 - 2¹⁵ = 150313049 is a prime.

It is not a weakly prime, because it can be changed into another prime (150345887) 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, 75172908 + 75172909.

It is an arithmetic number, because the mean of its divisors is an integer number (75172909).

Almost surely, 2^150345817 is an apocalyptic number.

It is an amenable number.

150345817 is a deficient number, since it is larger than the sum of its proper divisors (1).

150345817 is an equidigital number, since it uses as much as digits as its factorization.

150345817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 150345817 is about 12261.5585061606. The cubic root of 150345817 is about 531.7372883175.

Adding to 150345817 its reverse (718543051), we get a palindrome (868888868).

The spelling of 150345817 in words is "one hundred fifty million, three hundred forty-five thousand, eight hundred seventeen".