150745209 has 8 divisors (see below), whose sum is σ = 201176160. Its totient is φ = 100405536.

The previous prime is 150745207. The next prime is 150745223. The reversal of 150745209 is 902547051.

150745209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 150745209 - 2¹ = 150745207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 150745209.

It is not an unprimeable number, because it can be changed into a prime (150745201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18867 + ... + 25640.

It is an arithmetic number, because the mean of its divisors is an integer number (25147020).

Almost surely, 2^150745209 is an apocalyptic number.

It is an amenable number.

150745209 is a deficient number, since it is larger than the sum of its proper divisors (50430951).

150745209 is a wasteful number, since it uses less digits than its factorization.

150745209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45639.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 150745209 is about 12277.8340516559. The cubic root of 150745209 is about 532.2077234030.

The spelling of 150745209 in words is "one hundred fifty million, seven hundred forty-five thousand, two hundred nine".