150049789 has 4 divisors (see below), whose sum is σ = 150424380. Its totient is φ = 149675200.

The previous prime is 150049771. The next prime is 150049811. The reversal of 150049789 is 987940051.

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

It can be written as a sum of positive squares in 2 ways, for example, as 138250564 + 11799225 = 11758^2 + 3435^2 .

It is a cyclic number.

It is not a de Polignac number, because 150049789 - 2¹⁹ = 149525501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150049729) 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 3 ways as a sum of consecutive naturals, for example, 186694 + ... + 187495.

It is an arithmetic number, because the mean of its divisors is an integer number (37606095).

Almost surely, 2^150049789 is an apocalyptic number.

It is an amenable number.

150049789 is a deficient number, since it is larger than the sum of its proper divisors (374591).

150049789 is an equidigital number, since it uses as much as digits as its factorization.

150049789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374590.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 150049789 is about 12249.4811726865. The cubic root of 150049789 is about 531.3880655409.

The spelling of 150049789 in words is "one hundred fifty million, forty-nine thousand, seven hundred eighty-nine".