150479609 has 4 divisors (see below), whose sum is σ = 171976704. Its totient is φ = 128982516.

The previous prime is 150479587. The next prime is 150479617. The reversal of 150479609 is 906974051.

150479609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 150479609 - 2¹² = 150475513 is a prime.

It is a super-2 number, since 2×150479609² = 45288225449585762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150479669) 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, 10748537 + ... + 10748550.

It is an arithmetic number, because the mean of its divisors is an integer number (42994176).

Almost surely, 2^150479609 is an apocalyptic number.

It is an amenable number.

150479609 is a deficient number, since it is larger than the sum of its proper divisors (21497095).

150479609 is an equidigital number, since it uses as much as digits as its factorization.

150479609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21497094.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 150479609 is about 12267.0130431169. The cubic root of 150479609 is about 531.8949716817.

The spelling of 150479609 in words is "one hundred fifty million, four hundred seventy-nine thousand, six hundred nine".