150221055938 has 18 divisors (see below), whose sum is σ = 229707763257. Its totient is φ = 73679096920.

The previous prime is 150221055899. The next prime is 150221055949. The reversal of 150221055938 is 839550122051.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 142493415289 + 7727640649 = 377483^2 + 87907^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=274063.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 150221055895 and 150221055904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 29048093 + ... + 29053263.

Almost surely, 2^150221055938 is an apocalyptic number.

150221055938 is a deficient number, since it is larger than the sum of its proper divisors (79486707319).

150221055938 is an frugal number, since it uses more digits than its factorization.

150221055938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10450 (or 5226 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 41.

Adding to 150221055938 its reverse (839550122051), we get a palindrome (989771177989).

The spelling of 150221055938 in words is "one hundred fifty billion, two hundred twenty-one million, fifty-five thousand, nine hundred thirty-eight".