2142330155 has 64 divisors (see below), whose sum is σ = 3122848512. Its totient is φ = 1380188160.

The previous prime is 2142330131. The next prime is 2142330163. The reversal of 2142330155 is 5510332412.

It is a happy number.

It is not a de Polignac number, because 2142330155 - 2⁸ = 2142329899 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8335787 + ... + 8336043.

It is an arithmetic number, because the mean of its divisors is an integer number (48794508).

Almost surely, 2^2142330155 is an apocalyptic number.

2142330155 is a deficient number, since it is larger than the sum of its proper divisors (980518357).

2142330155 is a wasteful number, since it uses less digits than its factorization.

2142330155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2142330155 is about 46285.3125191999. The cubic root of 2142330155 is about 1289.1262947861.

Adding to 2142330155 its reverse (5510332412), we get a palindrome (7652662567).

The spelling of 2142330155 in words is "two billion, one hundred forty-two million, three hundred thirty thousand, one hundred fifty-five".