150145021 has 16 divisors (see below), whose sum is σ = 164324160. Its totient is φ = 136362240.

The previous prime is 150145007. The next prime is 150145027. The reversal of 150145021 is 120541051.

It is a cyclic number.

It is not a de Polignac number, because 150145021 - 2¹¹ = 150142973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 150145021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150145027) 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 15 ways as a sum of consecutive naturals, for example, 262666 + ... + 263236.

It is an arithmetic number, because the mean of its divisors is an integer number (10270260).

Almost surely, 2^150145021 is an apocalyptic number.

It is an amenable number.

150145021 is a deficient number, since it is larger than the sum of its proper divisors (14179139).

150145021 is a wasteful number, since it uses less digits than its factorization.

150145021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 150145021 is about 12253.3677411559. The cubic root of 150145021 is about 531.5004603367.

Adding to 150145021 its reverse (120541051), we get a palindrome (270686072).

The spelling of 150145021 in words is "one hundred fifty million, one hundred forty-five thousand, twenty-one".