2148182456 has 32 divisors (see below), whose sum is σ = 4630832640. Its totient is φ = 915132768.

The previous prime is 2148182437. The next prime is 2148182471. The reversal of 2148182456 is 6542818412.

It is a super-2 number, since 2×2148182456² = 9229375728532383872, 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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105500 + ... + 124203.

It is an arithmetic number, because the mean of its divisors is an integer number (144713520).

Almost surely, 2^2148182456 is an apocalyptic number.

It is an amenable number.

2148182456 is an abundant number, since it is smaller than the sum of its proper divisors (2482650184).

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

2148182456 is a wasteful number, since it uses less digits than its factorization.

2148182456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229883 (or 229879 counting only the distinct ones).

The product of its digits is 122880, while the sum is 41.

The square root of 2148182456 is about 46348.4892526175. The cubic root of 2148182456 is about 1290.2990825472.

The spelling of 2148182456 in words is "two billion, one hundred forty-eight million, one hundred eighty-two thousand, four hundred fifty-six".