2142255043 has 4 divisors (see below), whose sum is σ = 2194505208. Its totient is φ = 2090004880.

The previous prime is 2142255023. The next prime is 2142255133. The reversal of 2142255043 is 3405522412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2142255043 - 2¹³ = 2142246851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142255023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26125021 + ... + 26125102.

It is an arithmetic number, because the mean of its divisors is an integer number (548626302).

Almost surely, 2^2142255043 is an apocalyptic number.

2142255043 is a deficient number, since it is larger than the sum of its proper divisors (52250165).

2142255043 is an equidigital number, since it uses as much as digits as its factorization.

2142255043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52250164.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 2142255043 is about 46284.5011099828. The cubic root of 2142255043 is about 1289.1112286387. Note that the first 3 decimals are identical.

Adding to 2142255043 its reverse (3405522412), we get a palindrome (5547777455).

The spelling of 2142255043 in words is "two billion, one hundred forty-two million, two hundred fifty-five thousand, forty-three".