2148238258 has 8 divisors (see below), whose sum is σ = 3228543900. Its totient is φ = 1072056960.

The previous prime is 2148238229. The next prime is 2148238273. The reversal of 2148238258 is 8528328412.

It can be written as a sum of positive squares in 2 ways, for example, as 2055443569 + 92794689 = 45337^2 + 9633^2 .

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

It is a super-2 number, since 2×2148238258² = 9229855226269749128, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1029783 + ... + 1031866.

Almost surely, 2^2148238258 is an apocalyptic number.

2148238258 is a deficient number, since it is larger than the sum of its proper divisors (1080305642).

2148238258 is a wasteful number, since it uses less digits than its factorization.

2148238258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062172.

The product of its digits is 245760, while the sum is 43.

The square root of 2148238258 is about 46349.0912316520. The cubic root of 2148238258 is about 1290.3102548828.

The spelling of 2148238258 in words is "two billion, one hundred forty-eight million, two hundred thirty-eight thousand, two hundred fifty-eight".