2143154850 has 24 divisors (see below), whose sum is σ = 5315024400. Its totient is φ = 571507920.

The previous prime is 2143154831. The next prime is 2143154863. The reversal of 2143154850 is 584513412.

It is a super-2 number, since 2×2143154850² = 9186225422157045000, which contains 22 as substring.

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, 7143700 + ... + 7143999.

It is an arithmetic number, because the mean of its divisors is an integer number (221459350).

Almost surely, 2^2143154850 is an apocalyptic number.

2143154850 is an abundant number, since it is smaller than the sum of its proper divisors (3171869550).

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

2143154850 is a wasteful number, since it uses less digits than its factorization.

2143154850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14287714 (or 14287709 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 2143154850 is about 46294.2204816109. The cubic root of 2143154850 is about 1289.2916909580.

The spelling of 2143154850 in words is "two billion, one hundred forty-three million, one hundred fifty-four thousand, eight hundred fifty".