150025138 has 8 divisors (see below), whose sum is σ = 226680732. Its totient is φ = 74464896.

The previous prime is 150025133. The next prime is 150025157. The reversal of 150025138 is 831520051.

It is a happy number.

150025138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 139546969 + 10478169 = 11813^2 + 3237^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (150025133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273495 + ... + 274042.

Almost surely, 2^150025138 is an apocalyptic number.

150025138 is a deficient number, since it is larger than the sum of its proper divisors (76655594).

150025138 is a wasteful number, since it uses less digits than its factorization.

150025138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547676.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 150025138 is about 12248.4749254754. The cubic root of 150025138 is about 531.3589641680.

Adding to 150025138 its reverse (831520051), we get a palindrome (981545189).

The spelling of 150025138 in words is "one hundred fifty million, twenty-five thousand, one hundred thirty-eight".