150306505 has 4 divisors (see below), whose sum is σ = 180367812. Its totient is φ = 120245200.

The previous prime is 150306439. The next prime is 150306547. The reversal of 150306505 is 505603051.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 106110601 + 44195904 = 10301^2 + 6648^2 .

It is not a de Polignac number, because 150306505 - 2¹¹ = 150304457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 150306505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15030646 + ... + 15030655.

It is an arithmetic number, because the mean of its divisors is an integer number (45091953).

Almost surely, 2^150306505 is an apocalyptic number.

It is an amenable number.

150306505 is a deficient number, since it is larger than the sum of its proper divisors (30061307).

150306505 is an equidigital number, since it uses as much as digits as its factorization.

150306505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30061306.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 150306505 is about 12259.9553424962. The cubic root of 150306505 is about 531.6909385555.

Adding to 150306505 its reverse (505603051), we get a palindrome (655909556).

The spelling of 150306505 in words is "one hundred fifty million, three hundred six thousand, five hundred five".