153255820 has 24 divisors (see below), whose sum is σ = 322986384. Its totient is φ = 61083456.

The previous prime is 153255811. The next prime is 153255821. The reversal of 153255820 is 28552351.

153255820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (153255821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7879 + ... + 19198.

It is an arithmetic number, because the mean of its divisors is an integer number (13457766).

Almost surely, 2^153255820 is an apocalyptic number.

153255820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153255820 is an abundant number, since it is smaller than the sum of its proper divisors (169730564).

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

153255820 is a wasteful number, since it uses less digits than its factorization.

153255820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27369 (or 27367 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 153255820 is about 12379.6534684942. The cubic root of 153255820 is about 535.1460514870.

The spelling of 153255820 in words is "one hundred fifty-three million, two hundred fifty-five thousand, eight hundred twenty".