150016505 has 4 divisors (see below), whose sum is σ = 180019812. Its totient is φ = 120013200.

The previous prime is 150016501. The next prime is 150016519. The reversal of 150016505 is 505610051.

150016505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 18524416 + 131492089 = 4304^2 + 11467^2 .

It is not a de Polignac number, because 150016505 - 2² = 150016501 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (150016501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15001646 + ... + 15001655.

It is an arithmetic number, because the mean of its divisors is an integer number (45004953).

Almost surely, 2^150016505 is an apocalyptic number.

It is an amenable number.

150016505 is a deficient number, since it is larger than the sum of its proper divisors (30003307).

150016505 is an equidigital number, since it uses as much as digits as its factorization.

150016505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30003306.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 150016505 is about 12248.1225091848. The cubic root of 150016505 is about 531.3487718540.

Adding to 150016505 its reverse (505610051), we get a palindrome (655626556).

The spelling of 150016505 in words is "one hundred fifty million, sixteen thousand, five hundred five".