153609009 has 16 divisors (see below), whose sum is σ = 208310592. Its totient is φ = 100666368.

The previous prime is 153608993. The next prime is 153609011. The reversal of 153609009 is 900906351.

153609009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 153609009 - 2⁴ = 153608993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (153609109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76314 + ... + 78300.

It is an arithmetic number, because the mean of its divisors is an integer number (13019412).

Almost surely, 2^153609009 is an apocalyptic number.

It is an amenable number.

153609009 is a deficient number, since it is larger than the sum of its proper divisors (54701583).

153609009 is a wasteful number, since it uses less digits than its factorization.

153609009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2416.

The product of its (nonzero) digits is 7290, while the sum is 33.

The square root of 153609009 is about 12393.9101578154. The cubic root of 153609009 is about 535.5568302108.

The spelling of 153609009 in words is "one hundred fifty-three million, six hundred nine thousand, nine".