153545728 has 88 divisors (see below), whose sum is σ = 362630144. Its totient is φ = 63590400.

The previous prime is 153545719. The next prime is 153545741. The reversal of 153545728 is 827545351.

153545728 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221863 + ... + 222553.

Almost surely, 2^153545728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 153545728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181315072).

153545728 is an abundant number, since it is smaller than the sum of its proper divisors (209084416).

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

153545728 is an equidigital number, since it uses as much as digits as its factorization.

153545728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749 (or 731 counting only the distinct ones).

The product of its digits is 168000, while the sum is 40.

The square root of 153545728 is about 12391.3569878363. The cubic root of 153545728 is about 535.4832771752.

The spelling of 153545728 in words is "one hundred fifty-three million, five hundred forty-five thousand, seven hundred twenty-eight".