2142243355 has 16 divisors (see below), whose sum is σ = 3110754240. Its totient is φ = 1382556672.

The previous prime is 2142243329. The next prime is 2142243361. The reversal of 2142243355 is 5533422412.

It is not a de Polignac number, because 2142243355 - 2¹¹ = 2142241307 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1799610 + ... + 1800799.

It is an arithmetic number, because the mean of its divisors is an integer number (194422140).

Almost surely, 2^2142243355 is an apocalyptic number.

2142243355 is a deficient number, since it is larger than the sum of its proper divisors (968510885).

2142243355 is a wasteful number, since it uses less digits than its factorization.

2142243355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3600438.

The product of its digits is 28800, while the sum is 31.

The square root of 2142243355 is about 46284.3748472419. The cubic root of 2142243355 is about 1289.1088841996.

Adding to 2142243355 its reverse (5533422412), we get a palindrome (7675665767).

The spelling of 2142243355 in words is "two billion, one hundred forty-two million, two hundred forty-three thousand, three hundred fifty-five".