153835728 has 20 divisors (see below), whose sum is σ = 397409088. Its totient is φ = 51278560.

The previous prime is 153835727. The next prime is 153835729. The reversal of 153835728 is 827538351.

It is an interprime number because it is at equal distance from previous prime (153835727) and next prime (153835729).

It is a self number, because there is not a number n which added to its sum of digits gives 153835728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153835727) 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, 1602408 + ... + 1602503.

Almost surely, 2^153835728 is an apocalyptic number.

It is an amenable number.

153835728 is an abundant number, since it is smaller than the sum of its proper divisors (243573360).

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

153835728 is a wasteful number, since it uses less digits than its factorization.

153835728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3204922 (or 3204916 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The square root of 153835728 is about 12403.0531725056. The cubic root of 153835728 is about 535.8201854695.

The spelling of 153835728 in words is "one hundred fifty-three million, eight hundred thirty-five thousand, seven hundred twenty-eight".