2308155 has 8 divisors (see below), whose sum is σ = 3693072. Its totient is φ = 1231008.

The previous prime is 2308151. The next prime is 2308169. The reversal of 2308155 is 5518032.

2308155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2308155 - 2² = 2308151 is a prime.

2308155 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2308151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76924 + ... + 76953.

It is an arithmetic number, because the mean of its divisors is an integer number (461634).

2^2308155 is an apocalyptic number.

2308155 is a deficient number, since it is larger than the sum of its proper divisors (1384917).

2308155 is a wasteful number, since it uses less digits than its factorization.

2308155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153885.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2308155 is about 1519.2613336750. The cubic root of 2308155 is about 132.1564375761.

It can be divided in two parts, 230 and 8155, that added together give a triangular number (8385 = T₁₂₉).

The spelling of 2308155 in words is "two million, three hundred eight thousand, one hundred fifty-five".