150930805 has 4 divisors (see below), whose sum is σ = 181116972. Its totient is φ = 120744640.

The previous prime is 150930797. The next prime is 150930809. The reversal of 150930805 is 508039051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 508039051 = 13 ⋅39079927.

It can be written as a sum of positive squares in 2 ways, for example, as 66161956 + 84768849 = 8134^2 + 9207^2 .

It is not a de Polignac number, because 150930805 - 2³ = 150930797 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150930809) 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, 15093076 + ... + 15093085.

It is an arithmetic number, because the mean of its divisors is an integer number (45279243).

Almost surely, 2^150930805 is an apocalyptic number.

It is an amenable number.

150930805 is a deficient number, since it is larger than the sum of its proper divisors (30186167).

150930805 is an equidigital number, since it uses as much as digits as its factorization.

150930805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30186166.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 150930805 is about 12285.3899002026. The cubic root of 150930805 is about 532.4260501098.

Adding to 150930805 its reverse (508039051), we get a palindrome (658969856).

The spelling of 150930805 in words is "one hundred fifty million, nine hundred thirty thousand, eight hundred five".