2158452258 has 8 divisors (see below), whose sum is σ = 4316904528. Its totient is φ = 719484084.

The previous prime is 2158452217. The next prime is 2158452323. The reversal of 2158452258 is 8522548512.

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

2158452258 is an admirable number.

It is a super-3 number, since 3×2158452258³ (a number of 29 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179871016 + ... + 179871027.

It is an arithmetic number, because the mean of its divisors is an integer number (539613066).

Almost surely, 2^2158452258 is an apocalyptic number.

2158452258 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2158452258 is a wasteful number, since it uses less digits than its factorization.

2158452258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359742048.

The product of its digits is 256000, while the sum is 42.

The square root of 2158452258 is about 46459.1461178528. The cubic root of 2158452258 is about 1292.3519894064.

The spelling of 2158452258 in words is "two billion, one hundred fifty-eight million, four hundred fifty-two thousand, two hundred fifty-eight".