150503221 has 8 divisors (see below), whose sum is σ = 164492064. Its totient is φ = 136565520.

The previous prime is 150503209. The next prime is 150503263. The reversal of 150503221 is 122305051.

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 150503221 - 2²⁵ = 116948789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150503201) by changing a digit.

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, 6490 + ... + 18523.

It is an arithmetic number, because the mean of its divisors is an integer number (20561508).

Almost surely, 2^150503221 is an apocalyptic number.

150503221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

150503221 is a deficient number, since it is larger than the sum of its proper divisors (13988843).

150503221 is a wasteful number, since it uses less digits than its factorization.

150503221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25571.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 150503221 is about 12267.9754238424. The cubic root of 150503221 is about 531.9227903949.

Adding to 150503221 its reverse (122305051), we get a palindrome (272808272).

The spelling of 150503221 in words is "one hundred fifty million, five hundred three thousand, two hundred twenty-one".