150225139 has 4 divisors (see below), whose sum is σ = 150345720. Its totient is φ = 150104560.

The previous prime is 150225109. The next prime is 150225149. The reversal of 150225139 is 931522051.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 150225139 - 2⁷ = 150225011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150225109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58402 + ... + 60919.

It is an arithmetic number, because the mean of its divisors is an integer number (37586430).

Almost surely, 2^150225139 is an apocalyptic number.

150225139 is a deficient number, since it is larger than the sum of its proper divisors (120581).

150225139 is a wasteful number, since it uses less digits than its factorization.

150225139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120580.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 150225139 is about 12256.6365288361. The cubic root of 150225139 is about 531.5949804696.

Subtracting from 150225139 its sum of digits (28), we obtain a triangular number (150225111 = T₁₇₃₃₃).

The spelling of 150225139 in words is "one hundred fifty million, two hundred twenty-five thousand, one hundred thirty-nine".