2143102155 has 16 divisors (see below), whose sum is σ = 3508707840. Its totient is φ = 1116406368.

The previous prime is 2143102141. The next prime is 2143102163. The reversal of 2143102155 is 5512013412.

It is a happy number.

It is not a de Polignac number, because 2143102155 - 2⁹ = 2143101643 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1660675 + ... + 1661964.

It is an arithmetic number, because the mean of its divisors is an integer number (219294240).

Almost surely, 2^2143102155 is an apocalyptic number.

2143102155 is a deficient number, since it is larger than the sum of its proper divisors (1365605685).

2143102155 is a wasteful number, since it uses less digits than its factorization.

2143102155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3322690.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2143102155 is about 46293.6513465940. The cubic root of 2143102155 is about 1289.2811240155.

Adding to 2143102155 its reverse (5512013412), we get a palindrome (7655115567).

The spelling of 2143102155 in words is "two billion, one hundred forty-three million, one hundred two thousand, one hundred fifty-five".