600000155 has 4 divisors (see below), whose sum is σ = 720000192. Its totient is φ = 480000120.

The previous prime is 600000139. The next prime is 600000173. The reversal of 600000155 is 551000006.

600000155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 600000155 - 2⁴ = 600000139 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60000011 + ... + 60000020.

It is an arithmetic number, because the mean of its divisors is an integer number (180000048).

Almost surely, 2^600000155 is an apocalyptic number.

600000155 is a deficient number, since it is larger than the sum of its proper divisors (120000037).

600000155 is a wasteful number, since it uses less digits than its factorization.

600000155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120000036.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 600000155 is about 24494.9005917558. The cubic root of 600000155 is about 843.4327379307.

The spelling of 600000155 in words is "six hundred million, one hundred fifty-five", and thus it is an aban number.