2142234541 has 4 divisors (see below), whose sum is σ = 2142346684. Its totient is φ = 2142122400.

The previous prime is 2142234533. The next prime is 2142234557. The reversal of 2142234541 is 1454322412.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 184172041 + 1958062500 = 13571^2 + 44250^2 .

It is a cyclic number.

It is not a de Polignac number, because 2142234541 - 2³ = 2142234533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142234041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19440 + ... + 68281.

It is an arithmetic number, because the mean of its divisors is an integer number (535586671).

Almost surely, 2^2142234541 is an apocalyptic number.

It is an amenable number.

2142234541 is a deficient number, since it is larger than the sum of its proper divisors (112143).

2142234541 is an equidigital number, since it uses as much as digits as its factorization.

2142234541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112142.

The product of its digits is 7680, while the sum is 28.

The square root of 2142234541 is about 46284.2796314256. The cubic root of 2142234541 is about 1289.1071162365.

Adding to 2142234541 its reverse (1454322412), we get a palindrome (3596556953).

The spelling of 2142234541 in words is "two billion, one hundred forty-two million, two hundred thirty-four thousand, five hundred forty-one".