288155 has 8 divisors (see below), whose sum is σ = 395232. Its totient is φ = 197568.

The previous prime is 288137. The next prime is 288179. The reversal of 288155 is 551882.

288155 = T₃₃₇ + T₃₃₈ + ... + T₃₄₁.

288155 is nontrivially palindromic in base 15.

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

It is not a de Polignac number, because 288155 - 2¹² = 284059 is a prime.

It is a Duffinian number.

288155 is an undulating number in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4082 + ... + 4151.

It is an arithmetic number, because the mean of its divisors is an integer number (49404).

2²⁸⁸¹⁵⁵ is an apocalyptic number.

288155 is a deficient number, since it is larger than the sum of its proper divisors (107077).

288155 is an equidigital number, since it uses as much as digits as its factorization.

288155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8245.

The product of its digits is 3200, while the sum is 29.

The square root of 288155 is about 536.8007078982. The cubic root of 288155 is about 66.0503900458.

The spelling of 288155 in words is "two hundred eighty-eight thousand, one hundred fifty-five".