2143455050 has 24 divisors (see below), whose sum is σ = 4349266272. Its totient is φ = 779438000.

The previous prime is 2143455023. The next prime is 2143455071. The reversal of 2143455050 is 505543412.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1948046 + ... + 1949145.

It is an arithmetic number, because the mean of its divisors is an integer number (181219428).

Almost surely, 2^2143455050 is an apocalyptic number.

2143455050 is an abundant number, since it is smaller than the sum of its proper divisors (2205811222).

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

2143455050 is a wasteful number, since it uses less digits than its factorization.

2143455050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3897214 (or 3897209 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 2143455050 is about 46297.4626734554. The cubic root of 2143455050 is about 1289.3518868410.

Adding to 2143455050 its reverse (505543412), we get a palindrome (2648998462).

The spelling of 2143455050 in words is "two billion, one hundred forty-three million, four hundred fifty-five thousand, fifty".