2142155296 has 24 divisors (see below), whose sum is σ = 4362796620. Its totient is φ = 1034143488.

The previous prime is 2142155221. The next prime is 2142155317. The reversal of 2142155296 is 6925512412.

It can be written as a sum of positive squares in 2 ways, for example, as 2100938896 + 41216400 = 45836^2 + 6420^2 .

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 3 ways as a sum of consecutive naturals, for example, 1153251 + ... + 1155106.

Almost surely, 2^2142155296 is an apocalyptic number.

It is an amenable number.

2142155296 is an abundant number, since it is smaller than the sum of its proper divisors (2220641324).

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

2142155296 is a wasteful number, since it uses less digits than its factorization.

2142155296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308396 (or 2308388 counting only the distinct ones).

The product of its digits is 43200, while the sum is 37.

The square root of 2142155296 is about 46283.4235553076. The cubic root of 2142155296 is about 1289.0912205987.

The spelling of 2142155296 in words is "two billion, one hundred forty-two million, one hundred fifty-five thousand, two hundred ninety-six".