2143330155 has 24 divisors (see below), whose sum is σ = 3716687520. Its totient is φ = 1142622720.

The previous prime is 2143330127. The next prime is 2143330181. The reversal of 2143330155 is 5510333412.

It is not a de Polignac number, because 2143330155 - 2⁷ = 2143330027 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113211 + ... + 130779.

It is an arithmetic number, because the mean of its divisors is an integer number (154861980).

Almost surely, 2^2143330155 is an apocalyptic number.

2143330155 is a deficient number, since it is larger than the sum of its proper divisors (1573357365).

2143330155 is a wasteful number, since it uses less digits than its factorization.

2143330155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20291 (or 20288 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 2143330155 is about 46296.1138217885. The cubic root of 2143330155 is about 1289.3268436703.

Adding to 2143330155 its reverse (5510333412), we get a palindrome (7653663567).

It can be divided in two parts, 2143330 and 155, that added together give a triangular number (2143485 = T₂₀₇₀).

The spelling of 2143330155 in words is "two billion, one hundred forty-three million, three hundred thirty thousand, one hundred fifty-five".