2133444142 has 4 divisors (see below), whose sum is σ = 3200166216. Its totient is φ = 1066722070.

The previous prime is 2133444077. The next prime is 2133444151. The reversal of 2133444142 is 2414443312.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2133444142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533361034 + ... + 533361037.

It is an arithmetic number, because the mean of its divisors is an integer number (800041554).

Almost surely, 2^2133444142 is an apocalyptic number.

2133444142 is a deficient number, since it is larger than the sum of its proper divisors (1066722074).

2133444142 is a wasteful number, since it uses less digits than its factorization.

2133444142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066722073.

The product of its digits is 9216, while the sum is 28.

The square root of 2133444142 is about 46189.2210585976. The cubic root of 2133444142 is about 1287.3414675448.

Adding to 2133444142 its reverse (2414443312), we get a palindrome (4547887454).

The spelling of 2133444142 in words is "two billion, one hundred thirty-three million, four hundred forty-four thousand, one hundred forty-two".