155838200 has 96 divisors (see below), whose sum is σ = 417309600. Its totient is φ = 53015040.

The previous prime is 155838197. The next prime is 155838211. The reversal of 155838200 is 2838551.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 219446 + ... + 220154.

It is an arithmetic number, because the mean of its divisors is an integer number (4346975).

Almost surely, 2^155838200 is an apocalyptic number.

155838200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155838200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208654800).

155838200 is an abundant number, since it is smaller than the sum of its proper divisors (261471400).

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

155838200 is a wasteful number, since it uses less digits than its factorization.

155838200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889 (or 880 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 155838200 is about 12483.5171326033. The cubic root of 155838200 is about 538.1350849046.

The spelling of 155838200 in words is "one hundred fifty-five million, eight hundred thirty-eight thousand, two hundred".