258082155 has 48 divisors (see below), whose sum is σ = 458452800. Its totient is φ = 134265600.

The previous prime is 258082147. The next prime is 258082159. The reversal of 258082155 is 551280852.

258082155 is a `hidden beast` number, since 2 + 580 + 8 + 21 + 55 = 666.

258082155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 258082155 - 2³ = 258082147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (258082159) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 408690 + ... + 409320.

It is an arithmetic number, because the mean of its divisors is an integer number (9551100).

Almost surely, 2^258082155 is an apocalyptic number.

258082155 is a deficient number, since it is larger than the sum of its proper divisors (200370645).

258082155 is a wasteful number, since it uses less digits than its factorization.

258082155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852 (or 849 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 36.

The square root of 258082155 is about 16064.9355741005. The cubic root of 258082155 is about 636.6772407930.

The spelling of 258082155 in words is "two hundred fifty-eight million, eighty-two thousand, one hundred fifty-five".