153609228 has 36 divisors (see below), whose sum is σ = 393615768. Its totient is φ = 50500800.

The previous prime is 153609227. The next prime is 153609251. The reversal of 153609228 is 822906351.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 153609192 and 153609201.

It is not an unprimeable number, because it can be changed into a prime (153609223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26598 + ... + 31853.

Almost surely, 2^153609228 is an apocalyptic number.

153609228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

153609228 is an abundant number, since it is smaller than the sum of its proper divisors (240006540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

153609228 is a wasteful number, since it uses less digits than its factorization.

153609228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58534 (or 58529 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 153609228 is about 12393.9189927964. The cubic root of 153609228 is about 535.5570847247.

The spelling of 153609228 in words is "one hundred fifty-three million, six hundred nine thousand, two hundred twenty-eight".