150240205 has 8 divisors (see below), whose sum is σ = 182758392. Its totient is φ = 118545408.

The previous prime is 150240187. The next prime is 150240217. The reversal of 150240205 is 502042051.

It can be written as a sum of positive squares in 4 ways, for example, as 43283241 + 106956964 = 6579^2 + 10342^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 150240205 - 2⁵ = 150240173 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 205444 + ... + 206173.

It is an arithmetic number, because the mean of its divisors is an integer number (22844799).

Almost surely, 2^150240205 is an apocalyptic number.

It is an amenable number.

150240205 is a deficient number, since it is larger than the sum of its proper divisors (32518187).

150240205 is an equidigital number, since it uses as much as digits as its factorization.

150240205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411695.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 150240205 is about 12257.2511192355. The cubic root of 150240205 is about 531.6127510023.

Adding to 150240205 its reverse (502042051), we get a palindrome (652282256).

The spelling of 150240205 in words is "one hundred fifty million, two hundred forty thousand, two hundred five".