150544121 has 12 divisors (see below), whose sum is σ = 188594532. Its totient is φ = 119111328.

The previous prime is 150544111. The next prime is 150544159. The reversal of 150544121 is 121445051.

It can be written as a sum of positive squares in 2 ways, for example, as 53816896 + 96727225 = 7336^2 + 9835^2 .

It is not a de Polignac number, because 150544121 - 2¹⁰ = 150543097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (150544111) 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 11 ways as a sum of consecutive naturals, for example, 117530 + ... + 118803.

It is an arithmetic number, because the mean of its divisors is an integer number (15716211).

Almost surely, 2^150544121 is an apocalyptic number.

It is an amenable number.

150544121 is a deficient number, since it is larger than the sum of its proper divisors (38050411).

150544121 is a wasteful number, since it uses less digits than its factorization.

150544121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236360 (or 236353 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 150544121 is about 12269.6422523234. The cubic root of 150544121 is about 531.9709702534.

Adding to 150544121 its reverse (121445051), we get a palindrome (271989172).

It can be divided in two parts, 150544 and 121, that multiplied together give a square (18215824 = 4268²).

The spelling of 150544121 in words is "one hundred fifty million, five hundred forty-four thousand, one hundred twenty-one".