150012245 has 16 divisors (see below), whose sum is σ = 185295600. Its totient is φ = 116504064.

The previous prime is 150012241. The next prime is 150012253. The reversal of 150012245 is 542210051.

It can be written as a sum of positive squares in 8 ways, for example, as 2486929 + 147525316 = 1577^2 + 12146^2 .

It is a cyclic number.

It is not a de Polignac number, because 150012245 - 2² = 150012241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150012241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142481 + ... + 143529.

It is an arithmetic number, because the mean of its divisors is an integer number (11580975).

Almost surely, 2^150012245 is an apocalyptic number.

It is an amenable number.

150012245 is a deficient number, since it is larger than the sum of its proper divisors (35283355).

150012245 is a wasteful number, since it uses less digits than its factorization.

150012245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 150012245 is about 12247.9486037459. The cubic root of 150012245 is about 531.3437422581.

Adding to 150012245 its reverse (542210051), we get a palindrome (692222296).

The spelling of 150012245 in words is "one hundred fifty million, twelve thousand, two hundred forty-five".