2148251286 has 8 divisors (see below), whose sum is σ = 4296502584. Its totient is φ = 716083760.

The previous prime is 2148251263. The next prime is 2148251309. The reversal of 2148251286 is 6821528412.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2148251263) and next prime (2148251309).

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

2148251286 is an admirable number.

It is a super-2 number, since 2×2148251286² = 9229967175601307592, which contains 22 as substring.

It is a congruent 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, 179020935 + ... + 179020946.

It is an arithmetic number, because the mean of its divisors is an integer number (537062823).

Almost surely, 2^2148251286 is an apocalyptic number.

2148251286 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.

2148251286 is a wasteful number, since it uses less digits than its factorization.

2148251286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358041886.

The product of its digits is 61440, while the sum is 39.

The square root of 2148251286 is about 46349.2317735688. The cubic root of 2148251286 is about 1290.3128632415.

Adding to 2148251286 its reverse (6821528412), we get a palindrome (8969779698).

The spelling of 2148251286 in words is "two billion, one hundred forty-eight million, two hundred fifty-one thousand, two hundred eighty-six".