150452609 has 4 divisors (see below), whose sum is σ = 155640660. Its totient is φ = 145264560.

The previous prime is 150452597. The next prime is 150452611. The reversal of 150452609 is 906254051.

It is a happy number.

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 100000000 + 50452609 = 10000^2 + 7103^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150452609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150452699) 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, 2593982 + ... + 2594039.

It is an arithmetic number, because the mean of its divisors is an integer number (38910165).

Almost surely, 2^150452609 is an apocalyptic number.

It is an amenable number.

150452609 is a deficient number, since it is larger than the sum of its proper divisors (5188051).

150452609 is an equidigital number, since it uses as much as digits as its factorization.

150452609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5188050.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 150452609 is about 12265.9124813444. The cubic root of 150452609 is about 531.8631577960.

The spelling of 150452609 in words is "one hundred fifty million, four hundred fifty-two thousand, six hundred nine".