155842200 has 72 divisors (see below), whose sum is σ = 523376100. Its totient is φ = 41557440.

The previous prime is 155842163. The next prime is 155842223. The reversal of 155842200 is 2248551.

It is a happy number.

155842200 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 41490 + ... + 45089.

Almost surely, 2^155842200 is an apocalyptic number.

155842200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155842200 is an abundant number, since it is smaller than the sum of its proper divisors (367533900).

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

155842200 is a wasteful number, since it uses less digits than its factorization.

155842200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86601 (or 86589 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 155842200 is about 12483.6773428345. The cubic root of 155842200 is about 538.1396890858.

The spelling of 155842200 in words is "one hundred fifty-five million, eight hundred forty-two thousand, two hundred".