288142155 has 24 divisors (see below), whose sum is σ = 570796512. Its totient is φ = 131721984.

The previous prime is 288142147. The next prime is 288142157. The reversal of 288142155 is 551241882.

It is not a de Polignac number, because 288142155 - 2³ = 288142147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (288142157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 457054 + ... + 457683.

It is an arithmetic number, because the mean of its divisors is an integer number (23783188).

Almost surely, 2^288142155 is an apocalyptic number.

288142155 is a deficient number, since it is larger than the sum of its proper divisors (282654357).

288142155 is a wasteful number, since it uses less digits than its factorization.

288142155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914755 (or 914752 counting only the distinct ones).

The product of its digits is 25600, while the sum is 36.

The square root of 288142155 is about 16974.7505136305. The cubic root of 288142155 is about 660.4940859504.

The spelling of 288142155 in words is "two hundred eighty-eight million, one hundred forty-two thousand, one hundred fifty-five".