2148458274 has 24 divisors (see below), whose sum is σ = 4656113280. Its totient is φ = 715980408.

The previous prime is 2148458233. The next prime is 2148458293. The reversal of 2148458274 is 4728548412.

2148458274 is a `hidden beast` number, since 21 + 48 + 4 + 582 + 7 + 4 = 666.

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 11 ways as a sum of consecutive naturals, for example, 78859 + ... + 102545.

It is an arithmetic number, because the mean of its divisors is an integer number (194004720).

Almost surely, 2^2148458274 is an apocalyptic number.

2148458274 is an abundant number, since it is smaller than the sum of its proper divisors (2507655006).

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

2148458274 is a wasteful number, since it uses less digits than its factorization.

2148458274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28734 (or 28731 counting only the distinct ones).

The product of its digits is 573440, while the sum is 45.

The square root of 2148458274 is about 46351.4646370533. The cubic root of 2148458274 is about 1290.3543032573.

The spelling of 2148458274 in words is "two billion, one hundred forty-eight million, four hundred fifty-eight thousand, two hundred seventy-four".