150221033 has 4 divisors (see below), whose sum is σ = 150264660. Its totient is φ = 150177408.

The previous prime is 150221017. The next prime is 150221039. The reversal of 150221033 is 330122051.

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 137639824 + 12581209 = 11732^2 + 3547^2 .

It is a cyclic number.

It is not a de Polignac number, because 150221033 - 2⁴ = 150221017 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 (150221039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16160 + ... + 23697.

It is an arithmetic number, because the mean of its divisors is an integer number (37566165).

Almost surely, 2^150221033 is an apocalyptic number.

It is an amenable number.

150221033 is a deficient number, since it is larger than the sum of its proper divisors (43627).

150221033 is an equidigital number, since it uses as much as digits as its factorization.

150221033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43626.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 150221033 is about 12256.4690265998. The cubic root of 150221033 is about 531.5901371860.

Adding to 150221033 its reverse (330122051), we get a palindrome (480343084).

The spelling of 150221033 in words is "one hundred fifty million, two hundred twenty-one thousand, thirty-three".