155871200 has 36 divisors (see below), whose sum is σ = 380522520. Its totient is φ = 62348160.

The previous prime is 155871167. The next prime is 155871203. The reversal of 155871200 is 2178551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155871203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 96620 + ... + 98219.

It is an arithmetic number, because the mean of its divisors is an integer number (10570070).

Almost surely, 2^155871200 is an apocalyptic number.

155871200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155871200 is an abundant number, since it is smaller than the sum of its proper divisors (224651320).

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

155871200 is a wasteful number, since it uses less digits than its factorization.

155871200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194859 (or 194846 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 155871200 is about 12484.8388055273. The cubic root of 155871200 is about 538.1730670434.

The spelling of 155871200 in words is "one hundred fifty-five million, eight hundred seventy-one thousand, two hundred".