2148322450 has 24 divisors (see below), whose sum is σ = 4008675348. Its totient is φ = 856577280.

The previous prime is 2148322433. The next prime is 2148322471. The reversal of 2148322450 is 542238412.

It can be written as a sum of positive squares in 6 ways, for example, as 620059801 + 1528262649 = 24901^2 + 39093^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52987 + ... + 84286.

Almost surely, 2^2148322450 is an apocalyptic number.

2148322450 is a deficient number, since it is larger than the sum of its proper divisors (1860352898).

2148322450 is a wasteful number, since it uses less digits than its factorization.

2148322450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137598 (or 137593 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 2148322450 is about 46349.9994606257. Note that the first 3 decimals coincide. The cubic root of 2148322450 is about 1290.3271109246.

The spelling of 2148322450 in words is "two billion, one hundred forty-eight million, three hundred twenty-two thousand, four hundred fifty".