150278609 has 16 divisors (see below), whose sum is σ = 168376320. Its totient is φ = 133170240.

The previous prime is 150278567. The next prime is 150278617. The reversal of 150278609 is 906872051.

It is a cyclic number.

It is not a de Polignac number, because 150278609 - 2¹² = 150274513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (150278309) 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 15 ways as a sum of consecutive naturals, for example, 70964 + ... + 73050.

It is an arithmetic number, because the mean of its divisors is an integer number (10523520).

Almost surely, 2^150278609 is an apocalyptic number.

It is an amenable number.

150278609 is a deficient number, since it is larger than the sum of its proper divisors (18097711).

150278609 is a wasteful number, since it uses less digits than its factorization.

150278609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2320.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 150278609 is about 12258.8176020365. The cubic root of 150278609 is about 531.6580436206.

The spelling of 150278609 in words is "one hundred fifty million, two hundred seventy-eight thousand, six hundred nine".